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Standard Code	Standard Title	Standard Class	Order
GB/T 43601-2024	Mobile lifting work platform-Operator control Control device - operating force, operating direction, operating position and operating method 移动式升降工作平台-操作人员控制装置-操作力、操作方向、操作位置和操作方法	China National Standards direction	English PDF
GB/T 43614-2023	Additive Manufacturing Metal Powder directional Energy Deposition Equipment Laser Cladding Head Test Method 增材制造金属粉末定向能量沉积设备激光熔覆头测试方法	China National Standards direction	English PDF
GB/T 43610-2023	Microbeam analysis Analytical electron microscopy Transmission electron microscopy method for determination of apparent growth direction of linear crystals 微束分析分析电子显微术线状晶体表观生长方向的透射电子显微术测定方法	China National Standards direction	English PDF
GB/T 26949.7-2023	Industrial Vehicles Stability Verification Part 7: Bi-directional and multi-directional operating forklifts 工业车辆稳定性验证第7部分：双向和多向运行叉车	China National Standards direction	English PDF
GB/T 43308-2023	Glass fiber reinforced thermoplastic unidirectional prepreg 玻璃纤维增强热塑性单向预浸料	China National Standards direction	English PDF
GB/T 43382-2023	Normal direction of movement of hand controls on road vehicles 道路车辆手控装置常规运动方向	China National Standards direction	English PDF
GB/T 5313-2023	Thickness direction performance steel plate 厚度方向性能钢板	China National Standards direction	English PDF
GB/T 21228.2-2023	Acoustics - Surface sound scattering properties - Part 2: Free-field directional diffusion coefficient measurement 声学表面声散射特性第2部分：自由场方向性扩散系数测量	China National Standards direction	English PDF
GB/T 239.2-2023	Metallic materials - wire rods - Part 2: Test methods for bidirectional torsion 金属材料线材第2部分：双向扭转试验方法	China National Standards direction	English PDF
GB/T 239.1-2023	Metallic materials - wire rods - Part 1: Test method for unidirectional torsion 金属材料线材第1部分：单向扭转试验方法	China National Standards direction	English PDF
GB/T 42266-2022	Flexible porous polymeric materials - Laboratory evaluation of the combustion characteristics of small specimens in the horizontal direction under a small flame 柔性多孔聚合物材料小试样在小火焰下水平方向燃烧特性的实验室评估	China National Standards direction	English PDF
GB/T 41955-2022	Non-opening compression test method for multidirectional laminates of polymer matrix composites 聚合物基复合材料多向层合板无开孔压缩试验方法	China National Standards direction	English PDF
GB/T 41640-2022	Critical current measurement Second-generation high-temperature superconducting long tape critical current and its uniformity along the length direction 临界电流测量第二代高温超导长带临界电流及其沿长度方向均匀性测量	China National Standards direction	English PDF
GB/T 41762.2-2022	Fiber reinforced plastic composites - Determination of through-thickness properties of laminates - Part 2: Determination of elastic modulus, strength and Weibull size effect of carbon fiber unidirectional laminates by bending tests 纤维增强塑料复合材料层合板厚度方向性能的测定第2部分：弯曲试验测定碳纤维单向层合板的弹性模量、强度和威布尔尺寸效应	China National Standards direction	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 direction	English PDF
GB/T 1971-2021	Rotating electrical machines—Terminal markings and direction of rotation 旋转电机线端标志与旋转方向	China National Standards direction	English PDF
GB/T 19361-2021	Wire electrical discharge machines(unidirectional traveling type)—Testing of the accuracy 电火花线切割机床（单向走丝型）精度检验	China National Standards direction	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 direction	English PDF
GB/T 39572.1-2020	Bi-directional grid-connected power converters—Part 1: General requirements 并网双向电力变流器第1部分：通用要求	China National Standards direction	English PDF
GB/T 39484-2020	Fibre-reinforced plastic composites—Determination of the mode Ⅱ fracture resistanc for unidirectionally reinforced materials using the calibrated end-loaded split(C-ELS) test and an effective crack length approach 纤维增强塑料复合材料用校准端载荷分裂试验（C-ELS）和有效裂纹长度法测定单向增强材料的Ⅱ型断裂韧性	China National Standards direction	English PDF
GB/T 37828-2019	Bidirectional metal to metal sealed butterfly valve for urban heating 城镇供热用双向金属硬密封蝶阀	China National Standards direction	English PDF
GB/T 38369-2019	directional vibratory roller 定向振动压路机	China National Standards direction	English PDF
GB/T 37501-2019	Brass wires for unidirectional travelling wire electrical-discharge machining in numerically controlled machines 数控机床用单向走丝电火花加工用黄铜线	China National Standards direction	English PDF
GB/T 15623.1-2018	Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 1: Test methods for four-port directional flow-control valves 液压传动电调制液压控制阀第1部分：四通方向流量控制阀试验方法	China National Standards direction	English PDF
GB/T 15623.2-2017	Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 2: Test methods for three-port directional flow-control valves 液压传动电调制液压控制阀第2部分：三通方向流量控制阀试验方法	China National Standards direction	English PDF
GB/T 34089-2017	Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS VHF/UHF无线电监测测向系统开场测试参数和测试方法	China National Standards direction	English PDF
GB/T 35227-2017	Specifications for surface meteorological observation—Wind direction and wind speed 地面气象观测规范风向和风速	China National Standards direction	English PDF
GB/T 26949.7-2016	Industrial trucks—Verification of stability—Part 7: Bidirectional and multidirectional trucks 工业车辆稳定性验证第7部分：两向和多向运行叉车	China National Standards direction	English PDF
GB/T 31112-2014	Classification of Non-directional Self-ballasted LED-lamps for general lighting services 普通照明用非定向自镇流LED灯规格分类	China National Standards direction	English PDF
GB/T 31110-2014	Paper and board―Determination of z-directional tensile strength 纸和纸板 Z向抗张强度的测定	China National Standards direction	English PDF
GB/T 24908-2014	Non-directional Self-ballasted LED-lamps for general lighting services―Performance requirements 普通照明用非定向自镇流LED灯性能要求	China National Standards direction	English PDF
GB/T 4517-2013	Household sewing machine—Determination of directional stability 家用缝纫机送料方向稳定性测试方法	China National Standards direction	English PDF
GB 19079.27-2013	Operation conditions and technical requirements for gymnasium and playground―Part 27：Orienteering & amateur radio direction finding place 体育场所开放条件与技术要求第27部分：定向、无线电测向场所	China National Standards direction	English PDF
GB 30255-2013	Minimum allowable values of energy efficiency and energy efficiency grades of non-directional self-ballasted LED-lamps for general lighting services 普通照明用非定向自镇流LED灯能效限定值及能效等级	China National Standards direction	English PDF
GB/T 4835.2-2013	Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Part 2: High range beta and photon dose and dose rate portable instruments for emergency radiation protection 辐射防护仪器 β、X和γ辐射周围和/或定向剂量当量（率）仪和/或监测仪第2部分：应急辐射防护用便携式高量程β和光子剂量与剂量率仪	China National Standards direction	English PDF
GB/T 29754-2013	Unidirectional glass fibre woven fabrics 玻璃纤维机织单向布	China National Standards direction	English PDF
GB/T 20501.6-2013	Public information guidance systems - Design principles and requirements for guidance elements - Part 6: direction sign 公共信息导向系统导向要素的设计原则与要求第6部分：导向标志	China National Standards direction	English PDF
GB/T 4835.1-2012	Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Part 1: Portable workplace and environmental meters and monitors 辐射防护仪器 β、X和γ辐射周围和/或定向剂量当量（率）仪和/或监测仪第1部分：便携式工作场所和环境测量仪与监测仪	China National Standards direction	English PDF
GB/T 29230.1-2012	Opto-electronic-opto bidirectional wavelength converter for plastic optical fiber transmission system - Part 1: Wavelength converter between 650nm and 1550nm (or 1310nm or 850nm) of 100Mbps ethernet 塑料光纤系统用光-电-光双向波长转换器第1部分：百兆以太网650nm与1550nm/1310nm/850nm波长转换器	China National Standards direction	English PDF
GB/T 28891-2012	Fibre-reinforced plastic composites - Determination of mode Ⅰinterlaminar fracture toughness GⅠC for unidirectionally reinforced materials 纤维增强塑料复合材料单向增强材料Ⅰ型层间断裂韧性GⅠC的测定	China National Standards direction	English PDF
GB 28476-2012	Carpets-direction for use and labels 地毯使用说明及标志	China National Standards direction	English PDF
GB 13614-2012	Electromagnetic environment requirements for-Short-wave radio receiving and direction finding stations 短波无线电收信台(站)及测向台(站)电磁环境要求	China National Standards direction	English PDF
GB 27899-2011	Firemen’s directional light 消防员方位灯	China National Standards direction	English PDF
GB/T 26944.4-2011	Tunnel environment detection equipment - Part 4: Wind speed & direction indicator 隧道环境检测设备第4部分：风速风向检测器	China National Standards direction	English PDF
GB/T 26142.2-2010	Pneumatic fluid power - Five-port directional control valves,sizes 18mm and 26mm - Part 2: Mounting interface surfaces with optional electrical connector 气动五通方向控制阀规格18mm和26mm 第2部分:带可选电气接头的安装面	China National Standards direction	English PDF
GB/T 26142.1-2010	Pneumatic fluid power - Five-port directional control valves,sizes 18mm and 26mm - Part 1: Mounting interface surfaces without electrical connector 气动五通方向控制阀　规格18mm和26mm　第1部分：不带电气接头的安装面	China National Standards direction	English PDF
GB/T 25768-2010	Rolling bearings - Combined needle roller bearings with double direction thrust cylindrical roller bearings 滚动轴承滚针和双向推力圆柱滚子组合轴承	China National Standards direction	English PDF
GB/T 25603-2010	Earth-moving machinery - Horizontal directional drills - Terminology 土方机械水平定向钻机术语	China National Standards direction	English PDF
GB 17509-2008	Photometric characteristics of direction indicators for motor vehicles and their trailers 汽车及挂车转向信号灯配光性能	China National Standards direction	English PDF
GB/T 22420-2008	Bi-directional and multi-directional fork-lift trucks - Stability tests 两向和多向运行叉车稳定性试验	China National Standards direction	English PDF
GB/T 450-2008	Paper and board－Sampling for testing and identification of machine and cross direction, wire side and felt side 纸和纸板试样的采取及试样纵横向、正反面的测定	China National Standards direction	English PDF
GB/T 1040.5-2008	Plastics - Determination of tensile properties - Part 5: Test conditions for unidirectional fibre-reinforced plastic composites 塑料拉伸性能的测定第5部分：单向纤维增强复合材料的试验条件	China National Standards direction	English PDF
GB/T 5258-2008	Fiber-reinforced plastic composites - Determination of compressive properties in the in-plane direction 纤维增强塑料面内压缩性能试验方法	China National Standards direction	English PDF
GB/T 7940.2-2008	Pneumatic fluid power - Five-port directional control valves - Part 2: Mounting interface surfaces with optional electrical connector 气动五气口方向控制阀第2部分：带可选电气接头的安装面	China National Standards direction	English PDF
GB/T 7940.1-2008	Pneumatic fluid power - Five-port directional control valves - Part 1: Mounting interface surfaces without electrical connector 气动五气口方向控制阀第1部分：不带电气接头的安装面	China National Standards direction	English PDF
GB/T 22107-2008	Pneumatic fluid power - directional control valves - Measurement of shifting time 气动方向控制阀切换时间的测量	China National Standards direction	English PDF
GB/T 2514-2008	Hydraulic fluid power - Four-port directional control valves - Mounting surfaces 液压传动四油口方向控制阀安装面	China National Standards direction	English PDF
GB 20904-2007	Horizontal directional drilling - Safety operation rules 水平定向钻机安全操作规程	China National Standards direction	English PDF
GB 1971-2006	Rotating electrical machines―Terminal markings and direction of rotation 旋转电机线端标志与旋转方向	China National Standards direction	English PDF
GB/T 4550-2005	Preparation of unidirection or ientated fiber reinforced plastic plates for test purposes 试验用单向纤维增强塑料平板的制备	China National Standards direction	English PDF
GB/T 3856-2005	Test method for compression properties of unidirectional fiber reinforced plastics 单向纤维增强塑料平板压缩性能试验方法	China National Standards direction	English PDF
GB/T 13150-2005	Semiconductor devices Discret devices Blank detail specification for bidirectional triode thyristors(triacs),ambient and case-rated,for currents greater than 100A 半导体器件分立器件电流大于 100A、环境和管壳额定的双向三极晶闸管空白详细规范	China National Standards direction	English PDF
GB/T 17980.127-2004	Pesticide--Guidelines for the field efficacy trials(Ⅱ)--Part 127:Herbicides against weeds in crops with directional spray 农药田间药效试验准则(二) 第127部分:除草剂行间喷雾防治作物田杂草	China National Standards direction	English PDF
GB/T 15623.2-2003	Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 2:Test methods for three-way directional flow control valves 液压传动电调制液压控制阀第2部分:三通方向流量控制阀试验方法	China National Standards direction	English PDF
GB/T 15623.1-2003	Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 1:Test methods for four-way directional flow control valves 液压传动电调制液压控制阀第1部分:四通方向流量控制阀试验方法	China National Standards direction	English PDF
GB/T 19361-2003	Wire electrical-discharge machines(Unidirectional traveling type)--Testing of the accuracy 电火花线切割机(单向走丝型) 精度检验	China National Standards direction	English PDF
GB/T 4672-2003	Reciprocating internal combustion engines--Hand-operated control devices--Standard direction of motion 往复式内燃机手操纵控制机构标准动作方向	China National Standards direction	English PDF
GB/T 18897-2002	Performance requirements and test methods for Doppler very high frequency omnidirectional radio range 多普勒甚高频全向信标性能要求和测试方法	China National Standards direction	English PDF
GB/T 7940.3-2001	Pneumatic fluid power--Five-port directional control valves--Part 3:Code system for communication of valve functions 气动五气口方向控制阀第3部分:功能识别编码体系	China National Standards direction	English PDF
GB/T 9027-2000	Performance requirements and test methodsfor non-directional radio beacon 无方向信标性能要求和测试方法	China National Standards direction	English PDF
GB/T 6590-1998	Semiconductor devices--Discrete devices--Part6:Thyristors--Section Two:Blank detail specification for bidirectional triode thyristors(triacs)，ambient or case-rated，up to 100A 半导体器件分立器件第6部分:闸流晶体管第二篇 100A以下环境或管壳额定的双向三极闸流晶体管空白详细规范	China National Standards direction	English PDF
GB/T 17161-1997	Machine tools--direction of operation of controls 机床控制装置的操作方向	China National Standards direction	English PDF
GB/T 726-1994	Reciprocating internal combustion engines--Designation of the direction of rotation and of cylinders and valves in cylinder heads and definition of right-hand and left-hand in line engines and locations on an engine 往复式内燃机旋转方向、气缸和气缸盖上气门的标志及直列式内燃机右机、左机和发动机方位的定义	China National Standards direction	English PDF
GB/T 14777-1993	Geometrical orientation and directions of movements 几何定向及运动方向	China National Standards direction	English PDF
GB/T 11874-1989	direction of opening and symbolic designation of marine doors and windows 船用门和窗开启方向和符号标志	China National Standards direction	English PDF
GB/T 11297.2-1989	Test method for side direction scatteringcoefficient of laser rods 激光棒侧向散射系数的测量方法	China National Standards direction	English PDF
GB/T 9030-1988	Performance requirements for shipborne radio direction finder 船用无线电测向仪性能要求	China National Standards direction	English PDF
GB/T 8106-1987	Hydraulic fluid power--Valves--Testing method of directional control valves 方向控制阀试验方法	China National Standards direction	English PDF
GB/T 5825-1986	Symbolic designation of direction of opening and closing and faces of doors and windows 建筑门窗扇开、关方向和开、关面的标志符号	China National Standards direction	English PDF
GB/T 5078-1985	Method for the determination of the space required by capacitors and resistors with unidirectional terminations 单向引出的电容器和电阻器所需空间的测定方法	China National Standards direction	English PDF

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