China Di 2 GB Standards List

China "Di 2" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB 9706.208-2021	Medical electrical equipment—Part 2-8:Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV 医用电气设备第2-8部分：能量为10kV至1MV 治疗X射线设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB/T 22576.2-2021	Medical laboratories-Requirements for quality and competence- Part 2:Requirements in the field of clinical hematological examination 医学实验室质量和能力的要求第2部分：临床血液学检验领域的要求	China National Standards Di 2	English PDF
GB/T 40071-2021	Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Optical contrast method 纳米技术石墨烯相关二维材料的层数测量光学对比度法	China National Standards Di 2	English PDF
GB/T 40069-2021	Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Raman spectroscopy method 纳米技术石墨烯相关二维材料的层数测量拉曼光谱法	China National Standards Di 2	English PDF
GB/T 38047.2-2021	Evaluation methods for reliability on smart household appliances - Part 2: Special requirements for room air conditioners 智能家用电器可靠性评价方法第2部分：房间空气调节器的特殊要求	China National Standards Di 2	English PDF
GB/T 27021.2-2021	Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 2: Competence requirements for auditing and certification of environmental management systems 合格评定管理体系审核认证机构要求第2部分：环境管理体系审核与认证能力要求	China National Standards Di 2	English PDF
GB/T 24810.2-2021	Cranes-Limiting and indicating devices-Part 2:Mobile cranes 起重机限制器和指示器第2部分：流动式起重机	China National Standards Di 2	English PDF
GB/T 13163.2-2021	Radiation protection instrumentation—Radon and radon decay product measuring instruments—Part 2:Specific requirements for 222Rn and 220Rn measuring instruments 辐射防护仪器氡及氡子体测量仪第2部分：222Rn和220Rn测量仪的特殊要求	China National Standards Di 2	English PDF
GB/T 11270.2-2021	Superabrasive products—Diamond circular saw blade—Part 2:Sintered saw blades 超硬磨料制品金刚石圆锯片第2部分：烧结锯片	China National Standards Di 2	English PDF
GB/T 4798.2-2021	Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 2:Transportation and handling 环境条件分类环境参数组分类及其严酷程度分级第2部分：运输和装卸	China National Standards Di 2	English PDF
GB/T 2423.33-2021	Environmental testing - Part 2: Test methods - Test Kca: High concentration sulfur dioxid 环境试验第2部分：试验方法试验Kca：高浓度二氧化硫试验	China National Standards Di 2	English PDF
GB/T 2423.18-2021	Environmental testing—Part 2: Test methods—Test Kb:Salt mist, cyclic（sodium chloride solution）环境试验第2部分：试验方法试验Kb：盐雾，交变（氯化钠溶液）	China National Standards Di 2	English PDF
GB/T 22394.2-2021	Condition monitoring and diagnostics of machines - Data interpretation and diagnostics techniques - Part 2: Data-driven applications 机器状态监测与诊断数据判读与诊断技术第2部分：数据驱动的应用	China National Standards Di 2	English PDF
GB/T 19216.2-2021	Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 2: Test method for fire with shock at a temperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/1 kV and with an overall diameter not 在火焰条件下电缆或光缆的线路完整性试验第2部分：火焰温度不低于830 ℃的供火并施加冲击振动，额定电压0.6/1 kV及以下外径不超过20 mm电缆的试验方法	China National Standards Di 2	English PDF
GB/T 18216.2-2021	Electrical safety in low voltage distribution systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance 交流1000V和直流1500V及以下低压配电系统电气安全防护措施的试验、测量或监控设备第2部分：绝缘电阻	China National Standards Di 2	English PDF
GB/T 15972.42-2021	Specifications for optical fibre test methods—Part 42:Measurement methods and test procedures for transmission characteristics—Chromatic dispersion 光纤试验方法规范第42部分：传输特性的测量方法和试验程序波长色散	China National Standards Di 2	English PDF
GB/T 40028.2-2021	Smart city—Smart medical—Part 2：Mobile health 智慧城市智慧医疗第2部分：移动健康	China National Standards Di 2	English PDF
GB/T 40025-2021	RF technical requirements and test methods for 24GHz vehicle radio equipment 24GHz车辆无线电设备射频技术要求及测试方法	China National Standards Di 2	English PDF
GB/T 34680.2-2021	Evaluation model and general evaluation indicator system for smart cities- Part 2:Information infrastructure 智慧城市评价模型及基础评价指标体系第2部分：信息基础设施	China National Standards Di 2	English PDF
GB/T 15972.20-2021	Specifications for optical fibre test methods-Part 20:Measurement methods and test procedures for dimensions- Fibre geometry 光纤试验方法规范第20部分：尺寸参数的测量方法和试验程序光纤几何参数	China National Standards Di 2	English PDF
GB/T 2877.2-2021	Hydraulic two-port slip-in cartridge valves—Part 2: Mounting dimensions 液压二通盖板式插装阀　第2部分：安装连接尺寸	China National Standards Di 2	English PDF
GB/T 17651.2-2021	Measurement of smoke density of cables or optical fiber cables burning under defined conditions - Part 2: Test procedure and requirements 电缆或光缆在特定条件下燃烧的烟密度测定第2部分：试验程序和要求	China National Standards Di 2	English PDF
GB/T 17650.2-2021	Test on gases evolved during combustion of materials from cables or optical fiber cables - Part 2: Determination of acidity (by pH measurement) and conductivity 取自电缆或光缆的材料燃烧时释出气体的试验方法第2部分：酸度（用pH测量）和电导率的测定	China National Standards Di 2	English PDF
GB/T 28004.2-2021	Disposable diapers—Part 2:Disposable diapers for adult 纸尿裤第2部分：成人纸尿裤	China National Standards Di 2	English PDF
GB/T 39955-2021	Additive manufacturing -- Materials -- Powders of Nylon 12 and its composites for powder bed fusion 增材制造材料粉末床熔融用尼龙12及其复合粉末	China National Standards Di 2	English PDF
GB/T 39949.3-2021	Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—Part 3: 16 MPa compact series with bores from 250mm to 500mm 液压传动单杆缸附件的安装尺寸第3部分：16 MPa缸径250 mm～500 mm紧凑型系列	China National Standards Di 2	English PDF
GB/T 39949.2-2021	Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—Part 2:16 MPa compact series with bores from 25 mm to 220 mm 液压传动单杆缸附件的安装尺寸第2部分：16MPa缸径25mm～220mm紧凑型系列	China National Standards Di 2	English PDF
GB/T 39949.1-2021	Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—Part 1:16 MPa medium and 25 MPa series 液压传动单杆缸附件的安装尺寸第1部分：16MPa中型系列和25MPa系列	China National Standards Di 2	English PDF
GB/T 39851.2-2021	Road vehicles—Diagnostic communication over Controller Area Network (DoCAN) —Part 2:Transport protocol and network layer services 道路车辆基于控制器局域网的诊断通信第2部分：传输层协议和网络层服务	China National Standards Di 2	English PDF
GB/T 39831-2021	Hydraulic fluid power—Four-port modular stack valves and four-port directional control valves, sizes 02, 03, 05, 07, 08 and 10—Clamping dimensions 液压传动规格02、03、05、07、08和10的四油口叠加阀和方向控制阀夹紧尺寸	China National Standards Di 2	English PDF
GB/T 39771.2-2021	Optical radiation safety of LEDs—Part 2: Measurement methods 半导体发光二极管光辐射安全第2部分：测试方法	China National Standards Di 2	English PDF
GB/T 17215.221-2021	Electricity metering equipment(a. c. ) -- General requirements, tests and test conditions -- Part 21: Tariff and load control equipment 电测量设备（交流）通用要求、试验和试验条件第21部分：费率和负荷控制设备	China National Standards Di 2	English PDF
GB/T 12668.902-2021	Adjustable speed electrical power drive systems—Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters 调速电气传动系统第9-2部分：电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计电气传动系统和电机起动器的能效指标	China National Standards Di 2	English PDF
GB/T 11313.40-2021	Radio-frequency connectors—Part 40: Sectional specification for 2.4 series R.F. connectors 射频连接器第40部分: 2.4系列射频连接器分规范	China National Standards Di 2	English PDF
GB/T 11313.35-2021	Radio-frequency connectors—Part 35: Sectional specification for 2.92 series R.F connectors 射频连接器第35部分: 2.92系列射频连接器分规范	China National Standards Di 2	English PDF
GB/T 5095.2507-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-7: Test 25g: Impedance, reflection coefficient, and voltage standing wave ratio (VSWR) 电子设备用机电元件基本试验规程及测量方法第25-7部分：试验25g：阻抗、反射系数和电压驻波比（VSWR）	China National Standards Di 2	English PDF
GB/T 5095.2303-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-3:Screening and filtering tests—Test 23c：Shielding effectiveness of connectors and accessories—Line injection method 电子设备用机电元件基本试验规程及测量方法第23-3部分：屏蔽和滤波试验试验23c：连接器和附件的屏蔽效果线注入法	China National Standards Di 2	English PDF
GB/T 41107.2-2021	Destructive tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 2: Self-restraint tests 金属材料焊缝破坏性试验焊件的热裂纹试验弧焊方法第2部分：自拘束试验	China National Standards Di 2	English PDF
GB/T 41123.2-2021	Non-destructive testing—Radiation methods for industrial computed tomography—Part 2:Operation and interpretation 无损检测工业射线计算机层析成像检测第2部分：操作和解释	China National Standards Di 2	English PDF
GB/T 12604.12-2021	Non-destructive testing -- Terminology -- Part 12: Radiation methods for industrial computed tomography 无损检测? 术语? 第12部分：工业射线计算机层析成像检测	China National Standards Di 2	English PDF
GB/T 8593.2-2021	Earth-moving machinery—Symbols for operator controls and other displays—Part 2:Symbols for specific machines,equipment and accessories 土方机械司机操纵装置和其他显示装置用符号第2部分：机器、工作装置和附件的特殊符号	China National Standards Di 2	English PDF
GB/T 41135.2-2021	Current and voltage sensors or detectors, to be used for fault passage indication purposes -- Part 2: System aspects 故障路径指示用电流和电压传感器或探测器?? 第2部分：系统应用	China National Standards Di 2	English PDF
GB/T 25803-2021	C.I. Disperse violet 26（Disperse violet HFRL） C.I.分散紫26（分散紫HFRL）	China National Standards Di 2	English PDF
GB/T 1927.12-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 12:Determination of strength in compression perpendicular to grain 无疵小试样木材物理力学性质试验方法第12部分：横纹抗压强度测定	China National Standards Di 2	English PDF
GB/T 5289.2-2021	Test conditions for testing the accuracy of boring and milling machines with horizontal spindle—Part 2：Machines with movable column and fixed table 卧式铣镗床精度检验条件第2部分：带移动立柱和固定工作台的机床	China National Standards Di 2	English PDF
GB/T 30104.302-2021	Digital addressable lighting interface -- Part 302: Particular requirements -- Input devices -- Absolute input devices 数字可寻址照明接口第302部分：特殊要求输入设备绝对输入设备	China National Standards Di 2	English PDF
GB/T 21437.2-2021	Road vehicles—Test method of electrical disturbances from conduction and coupling—Part 2: Electrical transient conduction along supply lines only 道路车辆电气/电子部件对传导和耦合引起的电骚扰试验方法第2部分：沿电源线的电瞬态传导发射和抗扰性	China National Standards Di 2	English PDF
GB/T 3681.2-2021	Plastics—Methods of exposure to solar radiation—Part 2: Direct weathering and exposure behind window glass 塑料太阳辐射暴露试验方法第2部分：直接自然气候老化和暴露在窗玻璃后气候老化	China National Standards Di 2	English PDF
GB/T 9254.2-2021	Information technology equipment, multimedia equipment and receivers -- Electromagnetic compatibility -- Part 2: Immunity requirements 信息技术设备、多媒体设备和接收机电磁兼容第2部分：抗扰度要求	China National Standards Di 2	English PDF
GB/T 41212-2021	Nanotechnologies -- 5-(and 6)-Chloromethyl-2', 7' Dichloro-dihydrofluorescein diacetate (CM-H2DCF-DA) assay for evaluating nanoparticle-induced intracellular reactive oxygen species(ROS) production in RAW 264.7 macrophage cell line 纳米技术荧光素二乙酸酯法检测纳米颗粒诱导巨噬细胞产生的活性氧	China National Standards Di 2	English PDF
GB/T 20969.2-2021	Special environmental condition—Machinery for plateau—Part 2:Requirement for construction machinery on plateau 特殊环境条件高原机械第2部分：高原对工程机械的要求	China National Standards Di 2	English PDF
GB/T 11313.42-2021	Radio-frequency connectors -- Part 42: Sectional specification for CQN series quick lock RF connectors 射频连接器第42部分：CQN系列快速锁紧射频连接器分规范	China National Standards Di 2	English PDF
GB 9706.218-2021	Medical electrical equipment—Part 2-18:Particular requirements for the basic safety and essential performance of endoscopic equipment 医用电气设备第2-18部分：内窥镜设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.236-2021	Medical electrical equipment—Part 2-36: Particular requirements for the basic safety and essential performance of equipment for extracorporeally induced lithotripsy 医用电气设备第2-36部分：体外引发碎石设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.225-2021	Medical electrical equipment—Part 2-25: Particular requirements for the basic safety and essential performance of electrocardiographs 医用电气设备第2-25部分：心电图机的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.224-2021	Medical electrical equipment—Part 2-24: Particular requirements for the basic safety and essential performance of infusion pumps and controllers 医用电气设备第2-24部分：输液泵和输液控制器的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.213-2021	Medical electrical equipment—Part 2-13: Particular requirements for the basics safety and essential performance of an anaesthetic workstation 医用电气设备第2-13部分：麻醉工作站的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.202-2021	Medical electrical equipment—Part 2-2: Particular requirements for the basic safety and essential performance of high frequency surgical equipment and high frequency surgical accessories 医用电气设备第2-2部分：高频手术设备及高频附件的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB/T 32483.2-2021	Energy performance of lamp controlgear—Part 2:Controlgear for high intensity discharge lamps(excluding fluorescent lamps)—Method of measurement to determine the efficiency of controlgear 灯控制装置的效率要求第2部分:高压放电灯（荧光灯除外）控制装置效率的测量方法	China National Standards Di 2	English PDF
GB/T 40911.2-2021	Plastics—Poly(methyl methacrylate)sheets—Types,dimensions and characteristics—Part 2:Extruded sheets 塑料制品聚甲基丙烯酸甲酯板材类型、尺寸和特性第2部分：挤出板材	China National Standards Di 2	English PDF
GB/T 40969-2021	Paper and board—Determination of colour (D50/2°diffuse reflectance method) 纸和纸板颜色的测定（D50/2°漫反射法)	China National Standards Di 2	English PDF
GB/T 30104.201-2021	Digital addressable lighting interface—Part 201:Particular requirements for control gear—Fluorescent lamps(device type 0) 数字可寻址照明接口第201部分：控制装置的特殊要求荧光灯(设备类型0)	China National Standards Di 2	English PDF
GB/T 30104.102-2021	Digital addressable lighting interface—Part 102: General requirements—Control gear 数字可寻址照明接口第102部分：一般要求控制装置	China National Standards Di 2	English PDF
GB/T 40675.2-2021	Noise suppression sheet for digital devices and equipment—Part 2:Measuring methods 数字器件和设备用噪声抑制片第2部分：测量方法	China National Standards Di 2	English PDF
GB/T 16751.2-2021	Clinic terminology of traditional Chinese medical diagnosis and treatment -- Part 2: Syndromes/patterns 中医临床诊疗术语第2部分：证候	China National Standards Di 2	English PDF
GB/T 40923.2-2021	Snowboards—Binding mounting area—Part 2:Requirements and test methods for snowboards with inserts 滑雪单板固定器安装区第2部分：含嵌件滑雪单板的要求和试验方法	China National Standards Di 2	English PDF
GB/T 35660.3-2021	Information and documentation—RFID in libraries—Part 3:Encoding of data elements based on rules from ISO/IEC 15962 in an RFID tag with partitioned memory 信息与文献图书馆射频识别（RFID）第3部分：分区存储RFID标签中基于ISO/IEC 15962规则的数据元素编码	China National Standards Di 2	English PDF
GB/T 21709.2-2021	Standardized manipulations of acupuncture and moxibustion—Part 2:Scalp acupuncture 针灸技术操作规范第2部分：头针	China National Standards Di 2	English PDF
GB/T 40665.2-2021	Operation specifications for four diagnostic methods in traditional Chinese medicine -- Part 2: Listening and smelling 中医四诊操作规范? 第2部分：闻诊	China National Standards Di 2	English PDF
GB 9706.227-2021	Medical electrical equipment—Part 2-27: Particular requirements for the basic safety and essential performance of electrocardiographic monitoring equipment 医用电气设备第2-27部分：心电监护设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.226-2021	Medical electrical equipment—Part 2-26: Particular requirements for the basic safety and essential performance of electroencephalographs 医用电气设备第2-26部分：脑电图机的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.219-2021	Medical electrical equipment—Part 2-19:Particular requirements for the basic safety and essential performance of infant incubators 医用电气设备第2-19部分：婴儿培养箱的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB/T 17903.2-2021	Information technology—Security techniques—Non-repudiation—Part 2:Mechanisms using symmetric techniques 信息技术安全技术抗抵赖第2部分：采用对称技术的机制	China National Standards Di 2	English PDF
GB/T 19290.7-2021	Modular order for the development of mechanical structures for electronic equipment practices—Part 2-5:Sectional specification—Interface co-ordination dimensions for the 25 mm equipment practice—Cabine tinterface dimensions for miscellaneous equipment 发展中的电子设备构体机械结构模数序列　第2-5部分：分规范　25 mm设备构体的接口协调尺寸　各种设备用机柜接口尺寸	China National Standards Di 2	English PDF
GB/T 40602.2-2021	Antennas and reception systems for radio interference—Part 2:Basic measurement—Method for near field measuring high gain antenna pattern in microwave anechoic chamber 天线及接收系统的无线电干扰第2部分：基础测量高增益天线方向图室内平面近场测量方法	China National Standards Di 2	English PDF
GB/T 26548.12-2021	Hand-held portable power tools—Test methods for evaluation of vibration emission—Part 12：Die grinders 手持便携式动力工具振动试验方法第12部分：模具砂轮机	China National Standards Di 2	English PDF
GB/T 30845.2-2021	Plugs, socket-outlets and ship couplers for high-voltage shore connection systems (HVSC-systems)—Part 2: Dimensional compatibility and interchangeability requirements for accessories to be used by various types of ships 高压岸电连接系统(HVSC系统)用插头、插座和船用耦合器　第2部分：不同类型的船舶用附件的尺寸兼容性和互换性要求	China National Standards Di 2	English PDF
GB/T 38428.2-2021	Direct current (DC) plugs and socket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices—Part 2: Plug and socket-outlet system for 5.2 kW 数据中心和电信中心机房安装的信息和通信技术（ICT）设备用直流插头插座　第2部分：5.2 kW插头插座系统	China National Standards Di 2	English PDF
GB/T 40907-2021	Methods for the determination of prohibited substances in furniture products and related materials -- 2, 4-diaminotoluene and 4, 4'-methylenedianiline 家具产品及其材料中禁限用物质测定方法? 2,4-二氨基甲苯、4，4’-二氨基二苯甲烷	China National Standards Di 2	English PDF
GB/T 40722.2-2021	Styrene-butadiene rubber(SBR) -- Determination of the microstructure of solution-polymerized SBR -- Part 2: FTIR with ATR method 苯乙烯-丁二烯橡胶（SBR）? 溶液聚合SBR微观结构的测定? 第2部分：红外光谱ATR 法	China National Standards Di 2	English PDF
GB/T 18910.202-2021	Liquid crystal display devices—Part 20-2:Visual inspection—Monochrome matrix liquid crystal display modules 液晶显示器件第20-2部分：目检单色矩阵液晶显示模块	China National Standards Di 2	English PDF
GB/T 18910.201-2021	Liquid crystal display devices—Part 20-1:Visual inspection—Monochrome liquid crystal display cells 液晶显示器件第20-1部分：目检单色液晶显示屏	China National Standards Di 2	English PDF
GB/T 18910.102-2021	Liquid crystal display devices—Part 10-2:Environmental, endurance and mechanical test methods—Environmental and endurance 液晶显示器件第10-2部分：环境、耐久性和机械试验方法环境和耐久性	China National Standards Di 2	English PDF
GB/T 28504.2-2021	Rare earth doped optical fibre—Part 2:Characteristics of double-cladding thulium-doped optical fibre 掺稀土光纤第2部分：双包层掺铥光纤特性	China National Standards Di 2	English PDF
GB/T 18910.203-2021	Liquid crystal display devices—Part 20-3:Visual inspection—Active matrix colour liquid crystal display modules 液晶显示器件第20-3部分：目检有源矩阵彩色液晶显示模块	China National Standards Di 2	English PDF
GB/T 22271.2-2021	Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties 塑料聚甲醛（POM）模塑和挤出材料第2部分：试样制备和性能测定	China National Standards Di 2	English PDF
GB/T 20186.2-2021	Secondary coating materials used for optical fibre—Part 2: Modified propylene resin 光纤用二次被覆材料第2部分：改性聚丙烯	China National Standards Di 2	English PDF
GB 9706.254-2020	Medical electrical equipment—Part 2-54: Particular requirements for the basic safety and essential performance of X-ray equipment for radiography and radioscopy 医用电气设备第2-54部分：X射线摄影和透视设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.260-2020	Medical electrical equipment—Part 2-60: Paticular requirments for the basic safety and essential performance of dental equipment 医用电气设备第2-60部分：牙科设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.263-2020	Medical electrical equipment - Part 2-63: Particular requirements for the basic safety and essential performance of dental extra-oral X-ray equipment 医用电气设备第2-63部分: 口外成像牙科X射线机基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB/T 39138.2-2020	Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2：Determination of nickel content—Dimethylglyoxime gravimetric method 金镍铬铁硅硼合金化学分析方法第2部分：镍含量的测定丁二酮肟重量法	China National Standards Di 2	English PDF
GB/T 39140.2-2020	Clamping flanges for diamond circular saw blade—Part 2:Building construction and civil engineering 金刚石圆锯片用夹紧卡盘第2部分：建筑施工和土木工程	China National Standards Di 2	English PDF
GB/T 34609.2-2020	Method for chemical analysis of rhodium compounds—Part 2: Determination of silver,gold,platinum...potassium,chromium and silicon contents—Inductively coupled plasma atomic emission spectrometry 铑化合物化学分析方法第2部分：银、金、铂、钯、铱、钌、铅、镍、铜、铁、锡、锌、镁、锰、铝、钙、钠、钾、铬、硅含量的测定电感耦合等离子体原子发射光谱法	China National Standards Di 2	English PDF
GB/T 8151.22-2020	Methods for chemical analysis of zinc concentrates—Part 22: Determination of zinc, copper, lead,iron,aluminium ,calcium and magnesium contents—Wavelength dispersive X-ray fluorescence spectrometric method 锌精矿化学分析方法第22部分：锌、铜、铅、铁、铝、钙和镁含量的测定波长色散X射线荧光光谱法	China National Standards Di 2	English PDF
GB/T 8151.23-2020	Methods for chemical analysis of zinc concentrates—Part 23: Determination of mercury content—Solid sampling and direct mercury analysis method 锌精矿化学分析方法第23部分：汞含量的测定固体进样直接法	China National Standards Di 2	English PDF
GB 9706.205-2020	Medical electrical equipment—Part 2-5: Particular requirements for the basic safety and essential performance of ultrasonic physiotherapy equipment 医用电气设备第2-5部分：超声理疗设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.206-2020	Medical electrical equipment—Part 2-6: Particular requirments for the basic safety and essential performence of microwave therapy equipment 医用电气设备　第2-6部分：微波治疗设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB/T 38972-2020	TiB2 particulate reinforced aluminum alloy powder for additive manufacturing 增材制造用硼化钛颗粒增强铝合金粉	China National Standards Di 2	English PDF
GB/T 24328.12-2020	Tissue paper and tissue products—Part 12: Determination of optical properties—Determination of opacity—Diffuse reflectance method 卫生纸及其制品第12部分：光学性能的测定不透明度的测定漫反射法	China National Standards Di 2	English PDF
GB/T 39542.2-2020	Mechanical pencils for technical drawings—Part 2: Black leads—Classification and dimensions 技术制图活动铅笔第2部分：黑铅芯分类和尺寸	China National Standards Di 2	English PDF
GB/T 36014.2-2020	Industrial process control devices—Radiation thermometers—Part 2：Determination of the technical data for radiation thermometers 工业过程控制装置辐射温度计第2部分：辐射温度计技术参数的确定	China National Standards Di 2	English PDF
GB/T 18569.2-2020	Safety of machinery—Reduction of risks to health resulting from hazardous substances emitted by machinery—Part 2: Methodology leading to verification procedures 机械安全减小由机械排放的有害物质对健康的风险第2部分：生成验证流程的方法	China National Standards Di 2	English PDF
GB/T 2423.27-2020	Environmental testing—Part 2: Test methods—Test method and guidance: Combined temperature or temperature and humidity with low air pressure tests 环境试验第2部分：试验方法试验方法和导则：温度/低气压或温度/湿度/低气压综合试验	China National Standards Di 2	English PDF
GB 9706.203-2020	Medical electrical equipment—Part 2-3: Particular requirements for the basic safety and essential performance of short-wave therapy equipment 医用电气设备第2-3部分：短波治疗设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 7300.203-2020	Feed additive—Part 2：Vitamins, provitamins and chemically well-defined substances having similar effect—Betaine 饲料添加剂第2部分：维生素及类维生素甜菜碱	China National Standards Di 2	English PDF
GB/T 38762.2-2020	Geometrical product specifications (GPS)—Dimensional tolerancing—Part 2: Dimensions other than linear or angular sizes 产品几何技术规范（GPS）尺寸公差第2部分：除线性、角度尺寸外的尺寸	China National Standards Di 2	English PDF
GB/T 38647.2-2020	Information technology—Security techniques—Anonymous digital signatures—Part 2: Mechanisms using a group public key 信息技术安全技术匿名数字签名第2部分：采用群组公钥的机制	China National Standards Di 2	English PDF
GB/T 38206.2-2020	Methods to assess the reliability of pneumatic components—Part 2: Directional control valve 气动元件可靠性评估方法第2部分：换向阀	China National Standards Di 2	English PDF
GB/T 38001.62-2020	Flexible display devices—Part 6-2: Environmental testing methods 柔性显示器件第6-2部分：环境试验方法	China National Standards Di 2	English PDF
GB/T 2481.2-2020	Bonded abrasives—Determination and designation of grain size distribution—Part 2:Microgrits 固结磨具用磨料粒度组成的检测和标记第2部分：微粉	China National Standards Di 2	English PDF
GB 9706.212-2020	Medical electrical equipment—Part 2-12: Particular requirements for basic safety and essential performance of critical care ventilators 医用电气设备第2-12部分：重症护理呼吸机的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.237-2020	Medical electrical equipment—Part 2-37: Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment 医用电气设备第2-37部分：超声诊断和监护设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB/T 38371.2-2020	Specification of digital content object storage, reuse and exchange— Part 2: Object encoding, storage and exchange 数字内容对象存储、复用与交换规范第2部分：对象封装、存储与交换	China National Standards Di 2	English PDF
GB/T 23809.2-2020	Emergency guidance systems—Setting principles and requirements—Part 2: Outside buildings 应急导向系统设置原则与要求第2部分：建筑物外	China National Standards Di 2	English PDF
GB/T 38548.2-2020	Content resources digitization—Part 2:Method of acquisition 内容资源数字化加工第2部分：采集方法	China National Standards Di 2	English PDF
GB 9706.245-2020	Medical electrical equipment—Part 2-45: Particular requirements for the basic safety and essential performance of mammographie X-ray equipment and mammographie stereotactic devices 医用电气设备第2-45部分：乳腺X射线摄影设备和乳腺摄影立体定位装置的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.244-2020	Medical electrical equipment—Part 2-44:Particular requirements for the basic safety and essential performance of X-ray equipment for computed tomography 医用电气设备第2-44部分：X射线计算机体层摄影设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.228-2020	Medical electrical equipment—Part 2-28: Particular requirements for the basic safety and essential performance of X-ray tube assemblies for medical diagnosis 医用电气设备第2-28部分：医用诊断X射线管组件的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.217-2020	Medical electrical equipment—Part 2-17: Particular requirements for the basic safety and essential performance of automatically-controlled brachytherapy afterloading equipment 医用电气设备第2-17部分：自动控制式近距离治疗后装设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.211-2020	Medical electrical equipment—Part 2-11: Particular requirements for the basic safety and essential performance of gamma beam therapy equipment 医用电气设备第2-11部分：γ射束治疗设备的基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB 9706.201-2020	Medical electrical equipment—Part 2-1: Particular requirements for the basic safety and essential performance of electron accelerators in the range 1 MeV to 50 MeV 医用电气设备第2-1部分：能量为1MeV至50MeV电子加速器基本安全和基本性能专用要求	China National Standards Di 2	English PDF
GB/T 39673.52-2020	Home and building electronic systems (HBES) and building automation and control systems (BACS)—Part 52: EMC requirements for HBES/BACS used in residential, commercial and light-industrial environments 住宅和楼宇电子系统（HBES）及楼宇自动化和控制系统（BACS）第52部分：用于住宅、商业和轻工业环境下的HBES和BACS的EMC要求	China National Standards Di 2	English PDF
GB/T 39655.2-2020	Shipbuilding—Ship screw propellers—Manufacturing tolerances—Part 2:Propellers of diameter between 0.8m and 2.5m inclusive 造船船用螺旋桨制造公差第2部分：直径在0.8m至2.5m的螺旋桨	China National Standards Di 2	English PDF
GB/T 39655.1-2020	Shipbuilding—Ship screw propellers—Manufacturing tolerances—Part 1:Propellers of diameter greater than 2.5m 造船船用螺旋桨制造公差第1部分：直径大于2.5m的螺旋桨	China National Standards Di 2	English PDF
GB/T 39564.2-2020	Multi-carrier shared distribution infrastructure for fibre to the home—Part 2: Optical fibre distribution frame 光纤到户用多电信业务经营者共用型配线设施第2部分：光纤配线架	China National Standards Di 2	English PDF
GB/T 39560.2-2020	Determination of certain substances in electrical and electronic products—Part 2: Disassembly，disjointment and mechanical sample preparation 电子电气产品中某些物质的测定第2部分：拆解、拆分和机械制样	China National Standards Di 2	English PDF
GB/T 31489.2-2020	D.C. extruded cable systems for power transmission at a rated voltage up to and including 500kV—Part 2: D.C. land cables 额定电压500kV及以下直流输电用挤包绝缘电力电缆系统第2部分：直流陆地电缆	China National Standards Di 2	English PDF
GB/T 20996.2-2020	Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 2: Faults and switching 采用电网换相换流器的高压直流系统的性能第2部分：故障和操作	China National Standards Di 2	English PDF
GB/T 17037.2-2020	Plastics—Injection moulding of test specimens of thermoplastic materials—Part 2:Small tensile bars 塑料热塑性塑料材料注塑试样的制备第2部分：小拉伸试样	China National Standards Di 2	English PDF
GB/T 6113.203-2020	Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-3: Methods of measurement of disturbances and immunity—Radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范第2-3部分：无线电骚扰和抗扰度测量方法辐射骚扰测量	China National Standards Di 2	English PDF
GB/T 39706-2020	Test method for dissolution rate and quantity of SO42- released from gypsum 石膏中SO42-溶出速率、溶出量的测定方法	China National Standards Di 2	English PDF
GB/T 39483.2-2020	Rubber and plastics injection moulding machine—Interface—Part 2:Data exchange interface 橡胶塑料注射成型机接口第2部分：数据交换接口	China National Standards Di 2	English PDF
GB/T 39427-2020	Non-destructive testing—Testing method for determining the size of Ir192 industrial radiographic source 无损检测工业Ir192伽玛射线源尺寸测定方法	China National Standards Di 2	English PDF
GB/T 39278-2020	Method for measuring the shielding effectiveness of shielding enclosures having all dimensions between 0.1 m and 2 m 0.1m～2m屏蔽壳体屏蔽效能的测量方法	China National Standards Di 2	English PDF
GB/T 38003.2-2020	General resource of military and civilian—Classification and coding—Part 2：Device—Civil transport ship 军民通用资源分类与编码第2部分：设备类民用运输船舶	China National Standards Di 2	English PDF
GB/T 19520.19-2020	Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19 in) series—Part 3-107: Dimensions of subracks and plug-in units, small form factor 电子设备机械结构 482.6 mm（19 in）系列机械结构尺寸第3-107部分：小型化插箱和插件的尺寸	China National Standards Di 2	English PDF
GB/T 10395.25-2020	Agricultural and forestry machinery—Safety—Part 25：Rotary disc and drum mowers and flail mowers 农林机械安全第25部分：旋转式圆盘割草机、转鼓式割草机和甩刀式割草机	China National Standards Di 2	English PDF
GB/T 8102-2020	Pneumatic fluid power—Single rod cylinders,bores from 8 mm to 25 mm—Mounting dimensions 气动缸径8mm至25mm的单杆气缸安装尺寸	China National Standards Di 2	English PDF
GB/T 1.2-2020	Directives for standardization—Part 2:Drafting rules of standardizing documents based on ISO/IEC standardizing documents 标准化工作导则第2部分：以ISO/IEC标准化文件为基础的标准化文件起草规则	China National Standards Di 2	English PDF
GB/T 39334.2-2020	Digital simulation of mechanical products manufacturing process—Part 2: Requirements of production line planning and layout simulation 机械产品制造过程数字化仿真第2部分：生产线规划和布局仿真要求	China National Standards Di 2	English PDF
GB/T 35381.12-2020	Tractors and machinery for agriculture and forestry—Serial control and communications data network—Part 12：Diagnostics services 农林拖拉机和机械串行控制和通信数据网络第12部分：诊断服务	China National Standards Di 2	English PDF
GB/T 36805.2-2020	Plastics—Determination of tensile properties at high strain rates—Part 2: Direct testing method 塑料高应变速率下的拉伸性能测定第2部分：直接测试法	China National Standards Di 2	English PDF
GB/T 3780.27-2020	Carbon black—Part 27：Determination of aggregate size distribution by disc centrifuge photosedimentometry 炭黑第27部分：用圆盘式离心光学沉积测量法测定聚集体尺寸分布	China National Standards Di 2	English PDF
GB/T 28029.8-2020	Electronic railway equipment—Train communication network (TCN）—Part 2-7: Radio based Wireless Train Backbone (WLTB) 轨道交通电子设备列车通信网络（TCN）第2-7部分：基于电台的无线列车骨干网（WLTB）	China National Standards Di 2	English PDF
GB/T 13295-2019	Ductile iron pipes, fittings and accessories for water or gas applications [Including 2021XG1] 水及燃气用球墨铸铁管、管件和附件	China National Standards Di 2	English PDF
GB/T 38317.22-2019	Space and fixing dimensions for smart electricity meter—Part 22：Structure of B-type 智能电能表外形结构和安装尺寸第22部分：结构B型	China National Standards Di 2	English PDF
GB/T 38317.21-2019	Space and fixing dimensions for smart electricity meter—Part 21: Structure of A-type 智能电能表外形结构和安装尺寸第21部分：结构A型	China National Standards Di 2	English PDF
GB/T 38273.2-2019	Plastics—Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion—Part 2: Preparation of test specimens and determination of properties 塑料热塑性聚酯/酯和聚醚/酯模塑和挤塑弹性体第2部分：试样制备和性能测定	China National Standards Di 2	English PDF
GB/T 22380.2-2019	Explosion protected safety technique of the petrol filling station—Part 2：Safety requirements for construction and performance of safe breaks for use on dispensers 燃油加油站防爆安全技术第2部分：加油机用安全拉断阀结构和性能的安全要求	China National Standards Di 2	English PDF
GB/T 15000.2-2019	Directives for the work of reference materials—Part 2：Selected terms and definitions 标准样品工作导则第2部分：常用术语及定义	China National Standards Di 2	English PDF
GB/T 9978.2-2019	Fire Resistance Tests—Elements of building construction—Part 2: Guidance on measuring uniformity of furnace exposure on test samples 建筑构件耐火试验方法第2部分：耐火试验试件受火作用均匀性的测量指南	China National Standards Di 2	English PDF
GB/T 38429.2-2019	Explosion protected safety technique of automotive LPG filling stations—Part 2: Explosion protected components related to LPG dispensers and installation requirements 燃气加气站防爆安全技术第2部分：与液化石油气(LPG)有关的防爆部件和安装要求	China National Standards Di 2	English PDF
GB/T 38425.2-2019	Textile machinery and accessories—Flat steel healds with closed end loops—Part 2：Dimensions of healds manufactured of hardened strip steel 纺织机械与附件闭口综耳钢片综第2部分：淬火钢带钢片综的尺寸	China National Standards Di 2	English PDF
GB/T 38385-2019	Determination of disperse yellow 23 and disperse orange 149 dyes in dye products 染料产品中分散黄23和分散橙149染料的测定	China National Standards Di 2	English PDF
GB/T 23667-2019	2,5-Dichloroaniline 2,5-二氯苯胺	China National Standards Di 2	English PDF
GB/T 21896-2019	2-Naphthylamine-1，5-disulfonic acid （sulphonic Tobias acid ） 2-萘胺-1，5-二磺酸（磺化吐氏酸）	China National Standards Di 2	English PDF
GB/T 18737.2-2019	Textile machinery and accessories—Beams for winding—Part 2: Warper’s beams 纺织机械与附件经轴第2部分：整经轴	China National Standards Di 2	English PDF
GB/T 38317.22-2019	Space and fixing dimensions for smart electricity meter—Part 22：Structure of B-type 智能电能表外形结构和安装尺寸第22部分：结构B型	China National Standards Di 2	English PDF
GB/T 38317.21-2019	Space and fixing dimensions for smart electricity meter—Part 21: Structure of A-type 智能电能表外形结构和安装尺寸第21部分：结构A型	China National Standards Di 2	English PDF
GB/T 22380.2-2019	Explosion protected safety technique of the petrol filling station—Part 2：Safety requirements for construction and performance of safe breaks for use on dispensers 燃油加油站防爆安全技术第2部分：加油机用安全拉断阀结构和性能的安全要求	China National Standards Di 2	English PDF
GB/T 15000.2-2019	Directives for the work of reference materials—Part 2：Selected terms and definitions 标准样品工作导则第2部分：常用术语及定义	China National Standards Di 2	English PDF
GB/T 9978.2-2019	Fire Resistance Tests—Elements of building construction—Part 2: Guidance on measuring uniformity of furnace exposure on test samples 建筑构件耐火试验方法第2部分：耐火试验试件受火作用均匀性的测量指南	China National Standards Di 2	English PDF
GB 7300.202-2019	Feed additives－Part 2：Vitamins, provitamins and chemically well-defined substances having similar effect－Vitamin D3 oily form 饲料添加剂第2部分：维生素及类维生素维生素D3油	China National Standards Di 2	English PDF
GB 7300.201-2019	Feed additives—Part 2：Vitamins,provitamins and chemically well-defined substances having similar effect—L-Ascorbyl-2-phosphate 饲料添加剂第2部分：维生素及类维生素 L-抗坏血酸-2-磷酸酯盐	China National Standards Di 2	English PDF
GB/T 2423.35-2019	Environmental testing—Part 2:Tests and guidance—Combined climatic(temperature/humidity)and dynamic(vibration/shock) tests 环境试验第2部分：试验和导则气候(温度、湿度)和动力学(振动、冲击)综合试验	China National Standards Di 2	English PDF
GB/T 37977.32-2019	Electrostatics—Part 3-2:Methods for simulation of electrostatic effects—Machine model(MM)electrostatic discharge test waveform 静电学第3-2部分:静电效应的模拟方法机器模型(MM)的静电放电试验波形	China National Standards Di 2	English PDF
GB/T 37910.2-2019	Non-destructive testing of welds — Acceptance levels for radiographic testing — Part 2: Aluminium and its alloys 焊缝无损检测射线检测验收等级第2部分: 铝及铝合金	China National Standards Di 2	English PDF
GB/T 37891.4-2019	Cutter arbors with parallel key and tenon drive—Part 4: Dimensions and designation of tool holders with 7/24 taper without automatic tool changers 带平键和端键传动的铣刀杆第4部分：带7:24手动换刀圆锥柄刀杆的尺寸和标记	China National Standards Di 2	English PDF
GB/T 37891.3-2019	Cutter arbors with parallel key and tenon drive—Part 3: Dimensions and designation of tool holders with 7/24 taper for automatic tool changers 带平键和端键传动的铣刀杆第3部分：带7:24自动换刀圆锥柄刀杆的尺寸和标记	China National Standards Di 2	English PDF
GB/T 37891.2-2019	Cutter arbors with parallel key and tenon drive—Part 2: Dimensions and designation of tool holders with hollow taper interface with flange contact surface 带平键和端键传动的铣刀杆第2部分：带法兰接触面的空心圆锥柄刀杆的尺寸和标记	China National Standards Di 2	English PDF
GB/T 37856-2019	Glass containers—Dimensions for 26H180 crown finish 玻璃容器 26H180冠形瓶口尺寸	China National Standards Di 2	English PDF
GB/T 37855-2019	Glass containers—Dimensions for 26H126 crown finish 玻璃容器 26H126冠形瓶口尺寸	China National Standards Di 2	English PDF
GB/T 18910.62-2019	Liquid crystal display devices—Part 6-2: Measuring methods for liquid crystal display modules—Reflective type 液晶显示器件第6-2部分：液晶显示模块测试方法反射型	China National Standards Di 2	English PDF
GB/T 10066.2-2019	Test methods for electroheating and electromagnetic processing installations—Part 2: Direct arc furnaces 电热和电磁处理装置的试验方法第2部分：直接电弧炉	China National Standards Di 2	English PDF
GB/T 8826-2019	Rubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) 橡胶防老剂 2,2,4-三甲基-1,2-二氢化喹啉聚合物（TMQ）	China National Standards Di 2	English PDF
GB 38030.2-2019	Dimensions series of standard transport ship types passing the locks of inland rivers—Part 2：Grand Canal and Huai River system 内河过闸运输船舶标准船型主尺度系列第2部分：京杭运河、淮河水系	China National Standards Di 2	English PDF
GB 4943.21-2019	Information technology equipent—Safety—Part 21:Remote power feeding 信息技术设备安全第21部分：远程馈电	China National Standards Di 2	English PDF
GB/T 36628.2-2019	Information technology－Telecommunications and information exchange between systems－Visible light communication－Part 2：Specification of media access control and physical layer for low-rate and narrowband visible light communication 信息技术系统间远程通信和信息交换可见光通信第2部分：低速窄带可见光通信媒体访问控制和物理层规范	China National Standards Di 2	English PDF
GB/T 4698.21-2019	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第21部分：锰、铬、镍、铝、钼、锡、钒、钇、铜、锆量的测定原子发射光谱法	China National Standards Di 2	English PDF
GB/T 37363.2-2019	Determination of biocides content of coating materials—Part 2 : Determination of diuron content 涂料中生物杀伤剂含量的测定第2部分：敌草隆含量的测定	China National Standards Di 2	English PDF
GB/T 13893.2-2019	Paints and varnishes—Determination of resistance to humidity—Part 2: Condensation(in-cabinet exposure with heated water reservoir) 色漆和清漆耐湿性的测定第2部分：冷凝（在带有加热水槽的试验箱内曝露）	China National Standards Di 2	English PDF
GB/T 8655-2019	Styrene-butadiene rubber (SBR)1500，1502 苯乙烯-丁二烯橡胶（SBR）1500、1502	China National Standards Di 2	English PDF
GB/Z 37754-2019	Guidance on clearances and creepage distances in particular for distances equal to or less than 2mm—Test results of research on influencing parameters 关于确定不超过2mm距离的电气间隙和爬电距离的指南对影响参数进行研究的试验结果	China National Standards Di 2	English PDF
GB/T 37663.2-2019	Outdoor empirical test requirements for distributed photovoltaic in warm damp dlimate—Part 2: Photovoltaic backsheet 湿热带分布式光伏户外实证试验要求第2部分：光伏背板	China National Standards Di 2	English PDF
GB/T 37640-2019	：Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography 化妆品中氯乙醛、2,4-二羟基-3-甲基苯甲醛、巴豆醛、苯乙酮、2-亚戊基环己酮、戊二醛含量的测定高效液相色谱法	China National Standards Di 2	English PDF
GB/T 37633-2019	Textiles―Determination of 1,2-dichloroethane,ethylene chlorohydrin and chloroacetic acid 纺织品 1,2-二氯乙烷、氯乙醇和氯乙酸的测定	China National Standards Di 2	English PDF
GB/T 31843.2-2019	Maritime navigation and radiocommunication equipment and systems—Digital interfaces—Part 2：Single talker and multiple listeners—High-speed transmission 海上导航和无线电通信设备及系统数字接口第2部分：单发话器和多受话器高速传输	China National Standards Di 2	English PDF
GB/T 31838.2-2019	Solid insulating materials—Dielectric and resistive properties—Part 2: Resistive properties (DC methods)—Volume resistance and volume resistivity 固体绝缘材料介电和电阻特性第2部分：电阻特性(DC方法) 体积电阻和体积电阻率	China National Standards Di 2	English PDF
GB/T 23901.2-2019	Non-destructive testing—Image quality of radiographs—Part 2:Determination of the image quality value using step/hole-type image quality indicators 无损检测射线照相检测图像质量第2部分：阶梯孔型像质计像质值的测定	China National Standards Di 2	English PDF
GB/T 18497.2-2019	Characteristics of electric infrared emitters for industrial heating—Part 2: Mediumwave and longwave electric infrared emitters 工业加热用电红外发射器的特性第2部分:中长波电红外发射器	China National Standards Di 2	English PDF
GB/T 13747.6-2019	Methods for chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry 锆及锆合金化学分析方法第6部分：铜量的测定 2,9-二甲基-1,10-二氮杂菲分光光度法	China National Standards Di 2	English PDF
GB/T 2423.35-2019	Environmental testing—Part 2:Tests and guidance—Combined climatic(temperature/humidity)and dynamic(vibration/shock) tests 环境试验第2部分：试验和导则气候(温度、湿度)和动力学(振动、冲击)综合试验	China National Standards Di 2	English PDF
GB/T 37512-2019	Inspection of grain and oils—Determination of the difference between actual and theoretical content of triacylglycerols with ECN 42 粮油检验实际与理论ECN42甘三酯含量差值的测定	China National Standards Di 2	English PDF
GB/T 37379-2019	Technical specification for 2.45 GHz radio frequency identification system of inland navigation vessels 内河船舶2.45GHz射频识别系统技术规范	China National Standards Di 2	English PDF
GB/T 34067.2-2019	In-home display terminal for smart-utilization power—Part 2:Data exchange 户内智能用电显示终端第2部分：数据交换	China National Standards Di 2	English PDF
GB/T 20851.2-2019	Electronic toll collection—Dedicated short range communication—Part 2:Data link layer 电子收费专用短程通信第2部分:数据链路层	China National Standards Di 2	English PDF
GB/T 28438.2-2019	Objective assessment and measurement methods for coverage of digital terrestrial television broadcasting signals—Part 2: Mobile reception 地面数字电视广播信号覆盖质量客观评估和测量方法第2部分：移动接收	China National Standards Di 2	English PDF
GB/T 20258.4-2019	Data dictionary for fundamental geographic information features—Part 4：Scale of 1:250 000 1:500 000 1:1 000 000 基础地理信息要素数据字典第4部分：1∶250 000 1∶500 000 1∶1 000 000 比例尺	China National Standards Di 2	English PDF
GB/T 20258.3-2019	Data dictionary for fundamental geographic information features—Part 3：Scale of 1:25 000 1:50 000 1:100 000 基础地理信息要素数据字典第3部分：1:25 000 1:50 000 1:100 000 比例尺	China National Standards Di 2	English PDF
GB/T 20258.2-2019	Data dictionary for fundamental geographic information features—Part 2： Scale of 1∶5 000 1∶10 000 基础地理信息要素数据字典第2部分：1∶5 000 1∶10 000 比例尺	China National Standards Di 2	English PDF

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