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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 44072.1-2024 |
Hydraulic transmission connection-soft Pipe assembly - Part 1: - Dimensions and requirements 液压传动连接-软管总成-第1部分:-尺寸和要求 |
China National Standards Dimension |
 English PDF |
| GB/T 3880.3-2024 |
Aluminium and aluminium alloy plates and strips for general industrial use - Part 3: Dimensional deviation 一般工业用铝及铝合金板、带材-第3部分：尺寸偏差 |
China National Standards Dimension |
English PDF |
| GB/T 4074.2-2024 |
Test methods for winding wires - Part 2: Dimensional measurements 绕组线试验方法-第2部分：尺寸测量 |
China National Standards Dimension |
English PDF |
| GB/T 43924.2-2024 |
Aerospace-MJ thread-Part 2: Limit Dimensions of threads for bolts and nuts 航空航天-MJ螺纹-第2部分：螺栓和螺母螺纹的极限尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 43924.3-2024 |
Aerospace-MJ thread-Part 3: Limit Dimensions of threads for fluid system pipe fittings 航空航天-MJ螺纹-第3部分：流体系统管路件螺纹的极限尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 43661-2024 |
Surface chemical analysis - Scanning probe microscopy - Definition and calibration of spatial resolution of electrical scanning probe microscopes (ESPM, such as SSRM and SCM) for two-Dimensional imaging of dopants, etc. 表面化学分析-扫描探针显微术-用于二维掺杂物成像等用途的电扫描探针显微镜（ESPM，如SSRM和SCM）空间分辨的定义和校准 |
China National Standards Dimension |
English PDF |
| GB/Z 43684-2024 |
Nanotechnology - Description, measurement and Dimensional quality parameters of gratings 纳米技术-光栅的描述、测量和尺寸质量参数 |
China National Standards Dimension |
English PDF |
| GB/T 2879-2024 |
Hydraulic transmission -Hydraulic cylinders - Dimensions and tolerances of grooves for one-way seals of reciprocating pistons and piston rods 液压传动-液压缸-往复运动活塞和活塞杆单向密封圈沟槽的尺寸和公差 |
China National Standards Dimension |
English PDF |
| GB/T 6578-2024 |
Hydraulic transmission-Hydraulic cylinder-Dimensions and tolerances of dust ring grooves of reciprocating piston rods 液压传动-液压缸-往复运动活塞杆防尘圈沟槽的尺寸和公差 |
China National Standards Dimension |
English PDF |
| GB/T 43551-2023 |
Civil unmanned aircraft system identification three-Dimensional space location identification coding 民用无人驾驶航空器系统身份识别 三维空间位置标识编码 |
China National Standards Dimension |
English PDF |
| GB/T 43550.2-2023 |
Mechanical pencils and lead for general use - Classification, Dimensions, quality and test methods - Part 2: Black lead 一般用途活动铅笔和铅芯 分类、尺寸、质量和试验方法 第2部分：黑铅芯 |
China National Standards Dimension |
English PDF |
| GB/T 43550.1-2023 |
Mechanical pencils and lead for general use - Classification, Dimensions, quality and test methods - Part 1: Mechanical pencils 一般用途活动铅笔和铅芯 分类、尺寸、质量和试验方法 第1部分：活动铅笔 |
China National Standards Dimension |
English PDF |
| GB/T 43536.2-2023 |
Three-Dimensional integrated circuits Part 2: Calibration requirements for fine-pitch stacked chips 三维集成电路 第2部分：微间距叠层芯片的校准要求 |
China National Standards Dimension |
English PDF |
| GB/T 43536.1-2023 |
Three-Dimensional integrated circuits Part 1: Terms and definitions 三维集成电路 第1部分：术语和定义 |
China National Standards Dimension |
English PDF |
| GB/Z 43510-2023 |
Guide to Reliability Test Methods for Integrated Circuit TSV Three-Dimensional Packages 集成电路TSV三维封装可靠性试验方法指南 |
China National Standards Dimension |
English PDF |
| GB/T 292-2023 |
Rolling bearings Angular contact ball bearings Dimensions 滚动轴承 角接触球轴承 外形尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 43081-2023 |
Road vehicle bulbs and light sources - Dimensions, optoelectronic performance requirements 道路车辆灯泡和光源 尺寸、光电性能要求 |
China National Standards Dimension |
English PDF |
| GB/T 9485-2023 |
Radial flow turbocharger connection Dimensions 径流式涡轮增压器 联接尺寸 |
China National Standards Dimension |
English PDF |
| GB/Z 41082.2-2023 |
Wheelchairs Part 2: Typical values and recommended limit values of Dimensions, mass and operating space measured according to GB/Z 18029.5 轮椅车 第2部分：按GB/Z 18029.5测得的尺寸、质量和操作空间的典型值和推荐限制值 |
China National Standards Dimension |
English PDF |
| GB/T 5008.3-2023 |
Lead-acid batteries for starters Part 3: Product varieties, specifications and terminal Dimensions for heavy-duty vehicles 起动用铅酸蓄电池 第3部分：重载车辆产品品种规格和端子尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 5008.2-2023 |
Lead-acid batteries for starting use Part 2: Product variety specifications and terminal Dimensions and markings 起动用铅酸蓄电池 第2部分：产品品种规格和端子尺寸、标记 |
China National Standards Dimension |
English PDF |
| GB/T 19520.22-2023 |
Mechanical structures of electrical and electronic equipment 482.6 mm (19 in) series mechanical structural Dimensions Part 3-110: Residential racks and cabinets for smart homes 电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-110部分：智慧房屋用住宅机架和机柜 |
China National Standards Dimension |
English PDF |
| GB/T 19520.21-2023 |
Mechanical Structure of Electrical and Electronic Equipment 482.6 mm (19 in) Series Mechanical Structure Dimensions Part 3-109: Chassis Dimensions of Embedded Computing Devices 电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-109部分：嵌入式计算设备的机箱尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 19520.20-2023 |
Mechanical structure of electrical and electronic equipment 482.6 mm (19 in) series mechanical structural Dimensions Part 3-108: Dimensions of R-type sub-boxes and plug-ins 电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-108部分：R型插箱和插件的尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 43189-2023 |
Nuclear instrumentation - Nomenclature (identification) of scintillator and scintillation detectors and standard Dimensions of scintillator 核仪器仪表 闪烁体和闪烁探测器的命名（标识）以及闪烁体的标准尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 43199-2023 |
Robot multi-Dimensional force/torque sensor detection specifications 机器人多维力/力矩传感器检测规范 |
China National Standards Dimension |
English PDF |
| GB/T 42710.2-2023 |
DC plugs and sockets for household and similar purposes Part 2: Types and Dimensions 家用和类似用途直流插头插座 第2部分：型式尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 22789.1-2023 |
Plastic products Rigid polyvinyl chloride sheets (sheets) Part 1: Classification, Dimensions and properties of sheets with a thickness of 1 mm and above 塑料制品 硬质聚氯乙烯板（片）材 第1部分：厚度1mm及以上板材的分类、尺寸和性能 |
China National Standards Dimension |
English PDF |
| GB/T 42711-2023 |
Three-Dimensional parking garage wireless power supply system technical requirements and test specifications 立体停车库无线供电系统 技术要求及测试规范 |
China National Standards Dimension |
English PDF |
| GB/T 41170.1-2023 |
Skin protection products for ostomy aids - Test methods - Part 1: Dimensions, surface pH and water absorbency 造口辅助器具的皮肤保护用品 试验方法 第1部分：尺寸、表面pH值和吸水性 |
China National Standards Dimension |
English PDF |
| GB/T 42869-2023 |
Requirements for simplification and lightweighting of three-Dimensional models of mechanical products 机械产品三维模型简化与轻量化要求 |
China National Standards Dimension |
English PDF |
| GB/T 42952.1-2023 |
Thermoplastic pipes for fluid conveyance - Dimensions and tolerances - Part 1: Metric series 流体输送用热塑性塑料管材 尺寸和公差 第1部分：公制系列 |
China National Standards Dimension |
English PDF |
| GB/T 22188.4-2023 |
Ergonomic Design of Control Centers Part 4: Workstation Layout and Dimensions 控制中心的人类工效学设计 第4部分：工作站的布局和尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 20333-2023 |
Basic Dimensions and Designations of Taps for Cylindrical and Conical Pipe Threads 圆柱和圆锥管螺纹丝锥的基本尺寸和标志 |
China National Standards Dimension |
English PDF |
| GB/T 7025.1-2023 |
Elevator main parameters and types and Dimensions of car, hoistway and machine room Part 1: Elevators of categories I, II, III and VI 电梯主参数及轿厢、井道、机房的型式与尺寸 第1部分:Ⅰ、Ⅱ、Ⅲ、Ⅵ类电梯 |
China National Standards Dimension |
English PDF |
| GB/T 19314.10-2023 |
Small boats - Hull structure and member Dimensions - Part 10: Sail loads and sail accessories for sailing yachts 小艇 艇体结构和构件尺寸 第10部分：帆艇帆装载荷及帆装附件 |
China National Standards Dimension |
English PDF |
| GB/T 300-2023 |
Rolling bearings Four-row tapered roller bearings Dimensions 滚动轴承 四列圆锥滚子轴承 外形尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 299-2023 |
Rolling bearings Double row tapered roller bearings Dimensions 滚动轴承 双列圆锥滚子轴承 外形尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 273.1-2023 |
Rolling bearings - Overall scheme of Dimensions - Part 1: Tapered roller bearings 滚动轴承 外形尺寸总方案 第1部分：圆锥滚子轴承 |
China National Standards Dimension |
English PDF |
| GB/T 12765-2023 |
Mounting Dimensions of spherical plain bearings 关节轴承 安装尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 15879.604-2023 |
Mechanical standardization of semiconductor devices - Part 6-4: General rules for drawing outline drawings of surface mount semiconductor device packages - Dimensional measurement methods for ball array (BGA) packages 半导体器件的机械标准化 第6-4部分：表面安装半导体器件封装外形图绘制的一般规则 焊球阵列（BGA）封装的尺寸测量方法 |
China National Standards Dimension |
English PDF |
| GB/T 5859-2023 |
Rolling bearings Thrust spherical roller bearings Dimensions 滚动轴承 推力调心滚子轴承 外形尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 1413-2023 |
Series 1 containers - Classification, Dimensions and rated masses 系列1集装箱 分类、尺寸和额定质量 |
China National Standards Dimension |
English PDF |
| GB/T 41103-2022 |
Rolling bearings - Ceramic cylindrical rollers - Dimensions, product geometric specifications (GPS) and tolerance values 滚动轴承 陶瓷圆柱滚子 外形尺寸、产品几何技术规范（GPS）和公差值 |
China National Standards Dimension |
English PDF |
| GB/T 5900.3-2022 |
Machine tools - Dimensions of spindle end and chuck connection - Part 3: Bayonet type 机床 主轴端部与卡盘连接尺寸 第3部分：卡口型 |
China National Standards Dimension |
English PDF |
| GB/T 5900.2-2022 |
Machine tools - Dimensions of spindle end and chuck connection - Part 2: Cam-lock type 机床 主轴端部与卡盘连接尺寸 第2部分：凸轮锁紧型 |
China National Standards Dimension |
English PDF |
| GB/T 5900.4-2022 |
Machine tools - Dimensions of spindle end and chuck connections - Part 4: Cylindrical connections 机床 主轴端部与卡盘连接尺寸 第4部分：圆柱连接 |
China National Standards Dimension |
English PDF |
| GB/T 22055-2022 |
Connection Dimensions of microscope imaging components 显微镜 成像部件的连接尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 41415-2022 |
Textiles - Determination of Dimensional change rate under dry, wet and hot conditions 纺织品 干湿热条件下尺寸变化率的测定 |
China National Standards Dimension |
English PDF |
| GB/T 5988-2022 |
Refractory products—Determination of permanent change in Dimensions on heating 耐火材料 加热永久线变化试验方法 |
China National Standards Dimension |
English PDF |
| GB/T 41158.7-2022 |
Three-Dimensional process planning for mechanical products—Part 7： Distribution requirements 机械产品三维工艺设计 第7部分：发放要求 |
China National Standards Dimension |
English PDF |
| GB/T 41158.3-2022 |
Three-Dimensional process planning for mechanical products—Part 3: Model building 机械产品三维工艺设计 第3部分：模型构建 |
China National Standards Dimension |
English PDF |
| GB/T 41158.4-2022 |
Three-Dimensional process planning for mechanical products—Part 4：Process symbol and annotation 机械产品三维工艺设计 第4部分：工艺符号与标注 |
China National Standards Dimension |
English PDF |
| GB/T 41158.6-2022 |
Three-Dimensional process planning for mechanical products—Part 6：Data requirements 机械产品三维工艺设计 第6部分：数据要求 |
China National Standards Dimension |
English PDF |
| GB/T 41158.5-2022 |
Three-Dimensional process planning for mechanical products—Part 5：Detailed design 机械产品三维工艺设计 第5部分：详细设计 |
China National Standards Dimension |
English PDF |
| GB/T 41158.1-2022 |
Three-Dimensional process planning for mechanical products—Part 1：Terms and definitions 机械产品三维工艺设计 第1部分：术语和定义 |
China National Standards Dimension |
English PDF |
| GB/T 41158.2-2022 |
Three-Dimensional process planning for mechanical products—Part 2：General requirements 机械产品三维工艺设计 第2部分：通用要求 |
China National Standards Dimension |
English PDF |
| GB/T 41354-2022 |
Hydraulic Transmission Seamless or Welded Plain End Precision Steel Tube Dimensions and Nominal Pressures 液压传动 无缝或焊接型的平端精密钢管 尺寸与公称压力 |
China National Standards Dimension |
English PDF |
| GB/T 41403-2022 |
Superabrasive Products Diamond or CBN Abrasives Shapes and Dimensions 超硬磨料制品 金刚石或立方氮化硼磨具 形状和尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 5796.3-2022 |
Trapezoidal screw threads—Part 3: Basic Dimensions 梯形螺纹 第3部分：基本尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 19367-2022 |
Dimensional determination of wood-based panels 人造板的尺寸测定 |
China National Standards Dimension |
English PDF |
| GB/T 25160-2022 |
Packaging Cardboard Folding Carton Structural Dimensions 包装 卡纸板折叠纸盒结构尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 42106-2022 |
Nanotechnology Three-Dimensional nanostructures and device processing methods Ion beam irradiation-induced strain method 纳米技术 三维纳米结构与器件的加工方法 离子束辐照诱导应变法 |
China National Standards Dimension |
English PDF |
| GB/T 18323-2022 |
Plain bearings Sintered bushings Dimensions and tolerances 滑动轴承 烧结轴套 尺寸和公差 |
China National Standards Dimension |
English PDF |
| GB/T 3228-2022 |
Assembly tools for bolts and nuts - Dimensions of impact motorized square drive sockets 螺栓螺母用装配工具 冲击式机动四方传动套筒的尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 13871.1-2022 |
Rotary shaft lip seals with elastomeric sealing elements - Part 1: Dimensions and tolerances 密封元件为弹性体材料的旋转轴唇形密封圈 第1部分：尺寸和公差 |
China National Standards Dimension |
English PDF |
| GB/T 41763-2022 |
Dimensions, shapes, weights and allowable deviations of twin-roll cast-rolled hot-rolled steel sheets and strips 双辊铸轧热轧薄钢板及钢带的尺寸、外形、重量及允许偏差 |
China National Standards Dimension |
English PDF |
| GB/T 41739-2022 |
Test method for Dimensional stability of metal matrix composites—Cold and heat cycle method 金属基复合材料尺寸稳定性检测方法 冷热循环法 |
China National Standards Dimension |
English PDF |
| GB/Z 41983-2022 |
Hydraulic Screw-in Cartridge Valve Mounting Connection Dimensions 液压螺纹插装阀 安装连接尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 4096.2-2022 |
Geometric Product Specification (GPS) Wedge Part 2: Dimensioning and Tolerancing 产品几何技术规范（GPS） 楔体 第2部分：尺寸与公差标注 |
China National Standards Dimension |
English PDF |
| GB/T 42124.1-2022 |
Geometric product specification (GPS) Dimensional and geometric tolerances of molded parts - Part 1: Vocabulary 产品几何技术规范（GPS） 模制件的尺寸和几何公差 第1部分：词汇 |
China National Standards Dimension |
English PDF |
| GB/T 16892-2022 |
Product Geometric Specification (GPS) Dimensioning and Tolerancing Non-rigid Parts 产品几何技术规范（GPS） 尺寸和公差标注 非刚性零件 |
China National Standards Dimension |
English PDF |
| GB/T 16622-2022 |
Press-fit solid tire specifications, Dimensions and loads 压配式实心轮胎规格、尺寸与负荷 |
China National Standards Dimension |
English PDF |
| GB/T 42049-2022 |
Rolling bearings for aircraft airframes - Characteristics, Dimensions, tolerances and static load ratings 飞机机体用滚动轴承 特性、外形尺寸、公差和额定静负荷 |
China National Standards Dimension |
English PDF |
| GB/T 40516-2021 |
Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face Dimensions J类船用法兰连接金属阀门的结构长度 |
China National Standards Dimension |
English PDF |
| GB/T 40479-2021 |
Dimensions and performance requirements of general-purpose half pallets 通用半托盘尺寸及性能要求 |
China National Standards Dimension |
English PDF |
| GB/T 40528.1-2021 |
Requirements for structural Dimensions of multi-hull yacht—Part 1:Composite material 多体游艇结构尺寸规定 第1部分：复合材料 |
China National Standards Dimension |
English PDF |
| GB/T 39907-2021 |
Dimensions and technical requirements of fruit and vegetable cycling container 果蔬类周转箱尺寸系列及技术要求 |
China National Standards Dimension |
English PDF |
| GB/T 6132-2021 |
Interchangeability Dimensions for milling cutter or milling cutter arbors 铣刀和铣刀刀杆的互换尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 6110-2021 |
Drawing dies—Carbide alloy drawing dies—Structural types and Dimensions 拉制模 硬质合金拉制模 结构型式和尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 40481-2021 |
Dimensions and performance requirements of general-purpose slip sheet pallets for through transit of goods 联运通用滑板托盘尺寸及性能要求 |
China National Standards Dimension |
English PDF |
| GB/T 40139-2021 |
Measuring method for surface areas of materials—Three Dimensional area measurement base on hyperspectral imaging 材料表面积的测量 高光谱成像三维面积测量法 |
China National Standards Dimension |
English PDF |
| GB/T 40204-2021 |
General rules of two Dimensional barcodes for traceability 追溯二维码技术通则 |
China National Standards Dimension |
English PDF |
| GB/T 40128-2021 |
Surface chemical analysis—Atomic force microscopy—Test method for thickness of the two-Dimensional layered molybdenum disulfide nanosheets 表面化学分析 原子力显微术 二硫化钼片层材料厚度测量方法 |
China National Standards Dimension |
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 Dimension |
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 Dimension |
English PDF |
| GB/T 15242.4-2021 |
Dimensions series of rod and piston dynamic seals for hydraulic cylinders-Part 4:Dimensions and tolerances of bearing rings groove 液压缸活塞和活塞杆动密封装置尺寸系列 第4部分：支承环安装沟槽尺寸系列和公差 |
China National Standards Dimension |
English PDF |
| GB/T 15242.3-2021 |
Dimensions series of rod and piston dynamic seals for hydraulic cylinders-Part 3:Dimensions and tolerances of groove for co-axial seals 液压缸活塞和活塞杆动密封装置尺寸系列 第3部分：同轴密封件沟槽尺寸系列和公差 |
China National Standards Dimension |
English PDF |
| GB/T 6577-2021 |
Types,Dimensions and tolerances of groove for seals with bearing rings for hydraulic cylinders piston 液压缸活塞用带支承环密封沟槽型式、尺寸和公差 |
China National Standards Dimension |
English PDF |
| GB/T 5900.1-2021 |
Machine tools—Connecting Dimensions of spindle noses and work holding chucks—Part 1: Conical connection 机床 主轴端部与卡盘连接尺寸 第1部分：圆锥连接 |
China National Standards Dimension |
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 Dimension |
English PDF |
| GB/T 6232-2021 |
Tractors and machinery for agriculture and forestry—Wheel-to-hub fixing Dimensions 农林拖拉机和机械 车轮在轮毂上安装尺寸 |
China National Standards Dimension |
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 Dimension |
English PDF |
| GB/T 39961-2021 |
Ball screw assembly -- Dimension of shaft-end type screw 滚珠丝杠副 支承结构型式尺寸 |
China National Standards Dimension |
English PDF |
| GB/T 39960-2021 |
Straight-sided single-action mechanical power presses -- Characteristicsand Dimensions 闭式单动机械压力机 参数和尺寸 |
China National Standards Dimension |
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 Dimension |
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 Dimension |
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 Dimension |
English PDF |
| GB/T 39833-2021 |
Test method for coal combustion characteristics—One-Dimensional furnaces method 煤的燃烧特性测定方法 一维炉法 |
China National Standards Dimension |
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 Dimension |
English PDF |
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