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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 12956-2008 |
Fixtures for bAthroom 卫生间配套设备 |
China National Standards At |
 English PDF |
| GB/T 12528-2008 |
Rail vehicle cables with rAted voltages up to and including 3kV 交流额定电压3kV及以下轨道交通车辆用电缆 |
China National Standards At |
English PDF |
| GB/T 12527-2008 |
Aerial insulAted cables for rated voltages up to and including 1kV 额定电压1 kV及以下架空绝缘电缆 |
China National Standards At |
English PDF |
| GB/T 12173-2008 |
Mining electrical apparAtus for non hazardous area 矿用一般型电气设备 |
China National Standards At |
English PDF |
| GB/T 11030-2008 |
Characteristics of rod ceramic insulAtors for a.c. contact system of electrified railways 交流电气化铁路接触网用棒形瓷绝缘子特性 |
China National Standards At |
English PDF |
| GB/T 10969-2008 |
SpecificAtion for water passage components of hydraulic turbines, storage pumps and pump-turbines 水轮机、蓄能泵和水泵水轮机通流部件技术条件 |
China National Standards At |
English PDF |
| GB/T 1094.101-2008 |
Power transformers - Part 10.1: DeterminAtion of sound levels - Application guide 电力变压器 第10.1部分: 声级测定 应用导则 |
China National Standards At |
English PDF |
| GB/T 15576-2008 |
Low-voltage reactive power compensAtion assemblies 低压成套无功功率补偿装置 |
China National Standards At |
English PDF |
| GB/T 10296-2008 |
Thermal insulAtion - Determination of steady-state thermal transmission properties-pipe insulation apparatus 绝热层稳态传热性质的测定 圆管法 |
China National Standards At |
English PDF |
| GB/T 10295-2008 |
Thermal insulAtion-Determination of steady-state thermal resistance and related properties - Heat flow meter apparatus 绝热材料稳态热阻及有关特性的测定 热流计法 |
China National Standards At |
English PDF |
| GB/T 10294-2008 |
Thermal insulAtion - Determination of steady-state thermal resistance and related properties - Guarded hot plate apparatus 绝热材料稳态热阻及有关特性的测定 防护热板法 |
China National Standards At |
English PDF |
| GB/T 9343-2008 |
Test method for flammability of plastics - DeterminAtion of flash-ignition temperature and self-ignition temperature 塑料燃烧性能试验方法 闪燃温度和自燃温度的测定 |
China National Standards At |
English PDF |
| GB/T 8331-2008 |
DeterminAtion of bulk density of ion exchange resins in wet state 离子交换树脂湿视密度测定方法 |
China National Standards At |
English PDF |
| GB/T 8330-2008 |
DeterminAtion of specific gravity of ion exchange resins in wet state 离子交换树脂湿真密度测定方法 |
China National Standards At |
English PDF |
| GB/T 8144-2008 |
DeterminAtion of exchange capacity of cation exchange resin 阳离子交换树脂交换容量测定方法 |
China National Standards At |
English PDF |
| GB/T 5757-2008 |
DeterminAtion of moisture holding capacity of ion exchange resins 离子交换树脂含水量测定方法 |
China National Standards At |
English PDF |
| GB/T 4610-2008 |
Plastics - DeterminAtion of ignition temperature using a hot-air furnace 塑料 热空气炉法点着温度的测定 |
China National Standards At |
English PDF |
| GB/T 22054-2008 |
Chemicals general method for determinAtion of distillation characteristics of organic liquids(other than petroleum products) 有机液体（除石油产品）蒸馏特性测定通用方法 |
China National Standards At |
English PDF |
| GB/T 22052-2008 |
Test method for vapor pressure - TemperAture relationship and initial decompostition temperature of liquids by isoteniscope 用液体蒸气压力计测定液体的蒸气压力 温度关系和初始分解温度的方法 |
China National Standards At |
English PDF |
| GB/T 1631-2008 |
DesignAtion system and basis for specifications of ion exchange resins 离子交换树脂命名系统和基本规范 |
China National Standards At |
English PDF |
| GB/T 13659-2008 |
001×7 Strong acid polystyrene cAtion exchange resin 001×7 强酸性苯乙烯系阳离子交换树脂 |
China National Standards At |
English PDF |
| GB/T 11991-2008 |
DeterminAtion of reversible swelling of exchange resins 离子交换树脂转型膨胀率测定方法 |
China National Standards At |
English PDF |
| GB/Z 22135-2008 |
Milestones and activities during commissioning of electrical instrumentAtion and control systems in the process industry 过程工业中电子设备和控制系统在调试中的标记和活动 |
China National Standards At |
English PDF |
| GB/Z 21193.2-2008 |
Fossil-fired steam power stAtions - Part 2: Drum-level control 矿物燃烧蒸汽发电站 第2部分：汽包水位控制 |
China National Standards At |
English PDF |
| GB/T 8355-2008 |
General specificAtions for marine electrical measurement and control instruments 船舶用电动测量和控制仪表 通用技术条件 |
China National Standards At |
English PDF |
| GB/T 777-2008 |
Analogue pneumAtic signal for industrial-process measurement and control instruments 工业自动化仪表用模拟气动信号 |
China National Standards At |
English PDF |
| GB/T 5274-2008 |
Gas analysis - PreparAtion of calibration gas mixture - Gravimetric method 气体分析 校准用混合气体的制备 称量法 |
China National Standards At |
English PDF |
| GB/T 22139-2008 |
SpecificAtion for film tension in 35mm motion-picture systems 35mm电影系统影片张力规范 |
China National Standards At |
English PDF |
| GB/T 22138-2008 |
Slide projector - DeterminAtion of temperature rise in the picture area using a glass sandwich test slide 幻灯机画面区温升玻璃夹层幻灯试验片测试方法 |
China National Standards At |
English PDF |
| GB/T 22137.2-2008 |
Valve positiongers for use in industrial-process control system - Part 2: Methods of evaluAting the performance of intelligent value positiongers with pneumatic outputs 工业过程控制系统用阀门定位器 第2部分：气动输出智能阀门定位器性能评定方法 |
China National Standards At |
English PDF |
| GB/T 22137.1-2008 |
Valve positiongers for use in industrial-process control system - Part 1: Methods of evaluAting the performance of valve positiongers with pneumatic outputs 工业过程控制系统用阀门定位器 第1部分：气动输出阀门定位器性能评定方法 |
China National Standards At |
English PDF |
| GB/T 22136-2008 |
Industrial-process control system - ClassificAtion of adaptive controllers for the purpose of evaluation 工业过程控制系统 评估用自适应控制器分类 |
China National Standards At |
English PDF |
| GB/T 22124.1-2008 |
Equipment manufacturing oriented product life-cycle technology knowledge - Part 1: ClassificAtion of general manufacturing technology 面向装备制造业 产品全生命周期工艺知识 第1部分：通用制造工艺分类 |
China National Standards At |
English PDF |
| GB/T 22121-2008 |
RegistrAtion specification for reference dictionary elements of general part and component in the field of equipment manufacturing 装备制造业通用零部件数据字典元素注册规范 |
China National Standards At |
English PDF |
| GB/T 21547.4-2008 |
VMEbus extensions for intrumentAtion - Part 4: TCP/IP-IEEE488.2 instrument interface specification VME总线对仪器的扩展 第4部分：TCP/IP-IEEE488.2仪器接口规范 |
China National Standards At |
English PDF |
| GB/T 17614.1-2008 |
Transmitters for use in industrial-process control systems - Part 1: Methods of evaluAting the performance 工业过程控制系统用变送器 第1部分: 性能评定方法 |
China National Standards At |
English PDF |
| GB/T 17563-2008 |
Programmadle measuring instruments - Interface system(byte serial,bit parallel) - Codes, formAts, pprotocols and common commands 可编程测量设备接口系统（字节串行、位并行）的代码、格式、协议和公共命令 |
China National Standards At |
English PDF |
| GB/T 17215.323-2008 |
Electricity metering equipment (a.c.) - Particular requirements - Part 23: StAtic meters for reactive energy (classes 2 and 3) 交流电测量设备 特殊要求 第23部分：静止式无功电能表（2级和3级） |
China National Standards At |
English PDF |
| GB/T 17215.322-2008 |
Electricity metering equipment (a.c.) - Particular requirements - Part 22: StAtic meters for active energy (classes 0,2 S and 0,5 S) 交流电测量设备 特殊要求 第22部分：静止式有功电能表（0.2S级和0.5S级） |
China National Standards At |
English PDF |
| GB/T 17215.321-2008 |
Electricity metering equipment (a.c.) - Particular requirements - Part 21: StAtic meters for active energy (classes 1 and 2) 交流电测量设备 特殊要求 第21部分：静止式有功电能表（1级和2级） |
China National Standards At |
English PDF |
| GB/T 17165-2008 |
Fuzzy control devices and systems Method of evaluAting performance 模糊控制装置和系统性能评定方法 |
China National Standards At |
English PDF |
| GB/T 16657.2-2008 |
Industrial communicAtion networks - Fieldbus specifications - Part 2: Physical layer specification and service definition 工业通信网络 现场总线规范 第2部分: 物理层规范和服务定义 |
China National Standards At |
English PDF |
| GB/T 15946-2008 |
Higher performance protocal for the standard digital interface for programmable instrumentAtion - General 可编程仪器标准数字接口的高性能协议 概述 |
China National Standards At |
English PDF |
| GB/T 14480.3-2008 |
Non-destructive testing - Equipment for eddy current examinAtion - Part 3: System characteristics and verification 无损检测 涡流检测设备 第3部分: 系统性能和检验 |
China National Standards At |
English PDF |
| GB/T 13639-2008 |
Digital indicAtors with analogue input for use in industrial-process measurement and control systems 工业过程测量和控制系统用模拟输入数字式指示仪 |
China National Standards At |
English PDF |
| GB/T 11158-2008 |
SpecificAtions for high temperature test chambers 高温试验箱技术条件 |
China National Standards At |
English PDF |
| GB/T 10589-2008 |
SpecificAtions for low temperature test chambers 低温试验箱技术条件 |
China National Standards At |
English PDF |
| GB/T 22120-2008 |
The dAta item specification for enterprise credit 企业信用数据项规范 |
China National Standards At |
English PDF |
| GB/T 22119-2008 |
EvaluAtion service specification for credit agency organization - Credit rating agency 信用中介组织评价服务规范 信用评级机构 |
China National Standards At |
English PDF |
| GB/T 22118-2008 |
Rules for enterprises credit informAtion collecting, processing and providing 企业信用信息采集、处理和提供规范 |
China National Standards At |
English PDF |
| GB/T 18910.41-2008 |
Liquid crystal display devices Part 4-1: MAtrix colour LCD modules- Essential ratings and characteristics 液晶显示器件 第4-1部分：彩色矩阵液晶显示模块 基本额定值和特性 |
China National Standards At |
English PDF |
| GB/T 18910.22-2008 |
Liquid crystal display devices Part 2-2: MAtrix colour LCD modules-Blank detail specification 液晶显示器件 第2-2部分：彩色矩阵液晶显示模块 空白详细规范 |
China National Standards At |
English PDF |
| GB 22115-2008 |
General requirements on raw mAterials of toothpastes 牙膏用原料规范 |
China National Standards At |
English PDF |
| GB/T 22102-2008 |
PreservAtive-treated wood 防腐木材 |
China National Standards At |
English PDF |
| GB/T 9695.20-2008 |
MeAt and meat products - Method for determination of Zinc 肉与肉制品 锌的测定 |
China National Standards At |
English PDF |
| GB/T 22147-2008 |
Simultaneous determinAtion of salbutamol, ractopamine and clenbuterol in feeds - Liquid chromatography-mass spectrometry 饲料中沙丁胺醇、莱克多巴胺和盐酸克仑特罗的测定 液相色谱质谱联用法 |
China National Standards At |
English PDF |
| GB/T 22146-2008 |
DeterminAtion of roxarsone in animal feeds - High performance liquid chromatography 饲料中洛克沙胂的测定 高效液相色谱法 |
China National Standards At |
English PDF |
| GB/T 22144-2008 |
General rules of nAtural mineral feed 天然矿物质饲料通则 |
China National Standards At |
English PDF |
| GB/T 22142-2008 |
Feed additive - General regulAtion for organic acidifier 饲料添加剂 有机酸通用要求 |
China National Standards At |
English PDF |
| GB/T 22105.3-2008 |
Soil quality - Analysis of total mercury、arsenic and lead contents in soils - Atomic fluorescence spectrometry - Part 3：Analysis of total lead contents in soils 土壤质量 总汞、总砷、总铅的测定 原子荧光法 第3部分：土壤中总铅的测定 |
China National Standards At |
English PDF |
| GB/T 22105.2-2008 |
Soil quality - Analysis of total mercury、arsenic and lead contents in soils - Atomic fluorescence spectrometry - Part 2：Analysis of total arsenic contents in soils 土壤质量 总汞、总砷、总铅的测定 原子荧光法 第2部分：土壤中总砷的测定 |
China National Standards At |
English PDF |
| GB/T 22105.1-2008 |
Soil quality - Analysis of total mercury、arsenic and lead contents in soils - Atomic fluorescence spectrometry - Part 1：Analysis of total mercury contents in soils 土壤质量 总汞、总砷、总铅的测定 原子荧光法 第1部分：土壤中总汞的测定 |
China National Standards At |
English PDF |
| GB/T 22103-2008 |
Technology code for municipal wastewAter reuse in agriculture 城市污水再生回灌农田安全技术规范 |
China National Standards At |
English PDF |
| GB/T 18654.14-2008 |
Inspection of germplasm for cultured fishes - Part 14:DeterminAtion of DNA content in somatic cell 养殖鱼类种质检验 第14部分：DNA含量的测定 |
China National Standards At |
English PDF |
| GB/T 18654.11-2008 |
Inspection of germplasm for cultured fishes - Part 11:DeterminAtion of amino acids content in muscle 养殖鱼类种质检验 第11部分：肌肉中主要氨基酸含量的测定 |
China National Standards At |
English PDF |
| GB/T 17924-2008 |
General requirements for standards on products of geographical indicAtions 地理标志产品标准通用要求 |
China National Standards At |
English PDF |
| GB/T 17236-2008 |
The operAting procedures of pig-slaughtering 生猪屠宰操作规程 |
China National Standards At |
English PDF |
| GB/T 9098-2008 |
Hermetic motor-compressors for refrigerAtors 电冰箱用全封闭型电动机 压缩机 |
China National Standards At |
English PDF |
| GB/T 22090-2008 |
Cold and hot wAter dispenser 冷热饮水机 |
China National Standards At |
English PDF |
| GB/T 5072-2008 |
Refractories - DeterminAtion of cold compressive strength 耐火材料 常温耐压强度试验方法 |
China National Standards At |
English PDF |
| GB/T 2951.51-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 51:Methods specific to filling compounds - Drop point - Separation of oil - Lower temperature brittleness - Total acid number - Absence of corrosive component 电缆和光缆绝缘和护套材料通用试验方法 第51部分：填充膏专用试验方法 滴点 油分离 低温脆性 总酸值 腐蚀性 23℃时的介电常数 23℃和100℃时的直流电阻率 |
China National Standards At |
English PDF |
| GB/T 2951.42-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 42:Methods specific to polyethylene and polypropylene compounds - Tensile strength and elongation at break after conditioning at elevated temperature - Wrappi 电缆和光缆绝缘和护套材料通用试验方法 第42部分：聚乙烯和聚丙烯混合料专用试验方法 高温处理后抗张强度和断裂伸长率试验 高温处理后卷绕试验 空气热老化后的卷绕试验 测定质量的增 |
China National Standards At |
English PDF |
| GB/T 2951.41-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 41:Methods specific to polyethylene and polypropylene compounds - Resistance to environmental stress cracking - Measurement of the melt flow index - Carbon bl 电缆和光缆绝缘和护套材料通用试验方法 第41部分：聚乙烯和聚丙烯混合料专用试验方法 耐环境应力开裂试验 熔体指数测量方法 直接燃烧法测量聚乙烯中碳黑和(或)矿物质填料含量 热重分 |
China National Standards At |
English PDF |
| GB/T 2951.32-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 32：Methods specific to PVC ompounds - Loss of mass test - Thermal stability test 电缆和光缆绝缘和护套材料通用试验方法 第32部分：聚氯乙烯混合料专用试验方法 失重试验 热稳定性试验 |
China National Standards At |
English PDF |
| GB/T 2951.31-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 31:Methods specific to PVC compounds - Pressure test at high temperature - Test for resistance to cracking 电缆和光缆绝缘和护套材料通用试验方法 第31部分：聚氯乙烯混合料专用试验方法 高温压力试验-抗开裂试验 |
China National Standards At |
English PDF |
| GB/T 2951.21-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 21:Methods specific to elastomeric compounds - Ozone resistance, hot set and mineral oil immersion tests 电缆和光缆绝缘和护套材料通用试验方法 第21部分：弹性体混合料专用试验方法 耐臭氧试验-热延伸试验-浸矿物油试验 |
China National Standards At |
English PDF |
| GB/T 2951.14-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 14:Methods for general application - Test at low temperature 电缆和光缆绝缘和护套材料通用试验方法 第14部分：通用试验方法 低温试验 |
China National Standards At |
English PDF |
| GB/T 2951.13-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 13:Methods for general application - Measurement for determining the density - Water absorption tests - Shrinkage test 电缆和光缆绝缘和护套材料通用试验方法 第13部分: 通用试验方法 密度测定方法 吸水试验 收缩试验 |
China National Standards At |
English PDF |
| GB/T 2951.12-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 12:Methods for general application - Thermal ageing methods 电缆和光缆绝缘和护套材料通用试验方法 第12部分：通用试验方法 热老化试验方法 |
China National Standards At |
English PDF |
| GB/T 2951.11-2008 |
Common test methods for insulAting and sheathing materials of electric and optical cables - Part 11：Methods for general application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties 电缆和光缆绝缘和护套材料通用试验方法 第11部分：通用试验方法 厚度和外形尺寸测量 机械性能试验 |
China National Standards At |
English PDF |
| GB/T 18380.36-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 36:Test for vertical flame spread of vertically-mounted bunched wires or cables - CAtegory D 电缆和光缆在火焰条件下的燃烧试验 第36部分：垂直安装的成束电线电缆火焰垂直蔓延试验 D类 |
China National Standards At |
English PDF |
| GB/T 18380.35-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 35:Test for vertical flame spread of vertically-mounted bunched wires or cables - CAtegory C 电缆和光缆在火焰条件下的燃烧试验 第35部分：垂直安装的成束电线电缆火焰垂直蔓延试验 C类 |
China National Standards At |
English PDF |
| GB/T 18380.34-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 34:Test for vertical flame spread of vertically-mounted bunched wires or cables - CAtegory B 电缆和光缆在火焰条件下的燃烧试验 第34部分：垂直安装的成束电线电缆火焰垂直蔓延试验 B类 |
China National Standards At |
English PDF |
| GB/T 18380.33-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 33:Test for vertical flame spread of vertically-mounted bunched wires or cables - CAtegory A 电缆和光缆在火焰条件下的燃烧试验 第33部分：垂直安装的成束电线电缆火焰垂直蔓延试验 A类 |
China National Standards At |
English PDF |
| GB/T 18380.32-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 32:Test for vertical flame spread of vertically-mounted bunched wires or cables - CAtegory A F/R 电缆和光缆在火焰条件下的燃烧试验 第32部分：垂直安装的成束电线电缆火焰垂直蔓延试验 A F/R类 |
China National Standards At |
English PDF |
| GB/T 18380.31-2008 |
Test on electric and optical fibre cables under fire conditions - Part 31:Test for vertical flame spread of vertically-mounted bunched wires or cables - ApparAtus 电缆和光缆在火焰条件下的燃烧试验 第31部分：垂直安装的成束电线电缆火焰垂直蔓延试验 试验装置 |
China National Standards At |
English PDF |
| GB/T 18380.22-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 22:Test for vertical flame propagAtion for a single small insulated wire or cable - Procedure for diffusion flame 电缆和光缆在火焰条件下的燃烧试验 第22部分：单根绝缘细电线电缆火焰垂直蔓延试验 扩散型火焰试验方法 |
China National Standards At |
English PDF |
| GB/T 18380.21-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 21:Test for vertical flame propagAtion for a single small insulated wire or cable - Apparatus 电缆和光缆在火焰条件下的燃烧试验 第21部分：单根绝缘细电线电缆火焰垂直蔓延试验 试验装置 |
China National Standards At |
English PDF |
| GB/T 18380.13-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 13:Test for vertical flame propagAtion for a single insulated wire or cable - Procedure for determination of flaming droplets/particles 电缆和光缆在火焰条件下的燃烧试验 第13部分：单根绝缘电线电缆火焰垂直蔓延试验 测定燃烧的滴落(物)/微粒的试验方法 |
China National Standards At |
English PDF |
| GB/T 18380.12-2008 |
Test on electric and optical fibre cables under fire conditions - Part 12:Test for vertical flame propagAtion for a single insulated wire or cable - Procedure for 1kW pre-mixed flame 电缆和光缆在火焰条件下的燃烧试验 第12部分：单根绝缘电线电缆火焰垂直蔓延试验 1kW预混合型火焰试验方法 |
China National Standards At |
English PDF |
| GB/T 18380.11-2008 |
Tests on electric and optical fibre cables under fire conditions - Part 11:Test for vertical flame propagAtion for a single insulated wire or cable - Apparatus 电缆和光缆在火焰条件下的燃烧试验 第11部分：单根绝缘电线电缆火焰垂直蔓延试验 试验装置 |
China National Standards At |
English PDF |
| GB/T 9978.8-2008 |
Fire-resistance tests - Elements of building construction - Part 8: Specific requirements for non-loadbearing vertical separAting elements 建筑构件耐火试验方法 第8部分：非承重垂直分隔构件的特殊要求 |
China National Standards At |
English PDF |
| GB/T 9978.5-2008 |
Fire-resistance tests－Elements of building construction－Part 5: Specific requirements for loadbearing horizontal separAting elements 建筑构件耐火试验方法 第5部分：承重水平分隔构件的特殊要求 |
China National Standards At |
English PDF |
| GB/T 9978.4-2008 |
Fire-resistance tests－Elements of building construction－Part 4: Specific requirements for loadbearing vertical separAting elements 建筑构件耐火试验方法 第4部分：承重垂直分隔构件的特殊要求 |
China National Standards At |
English PDF |
| GB/T 9978.3-2008 |
Fire-resistance tests －Elements of building construction－Part 3: Commentary on test method and test dAta application 建筑构件耐火试验方法 第3部分：试验方法和试验数据应用注释 |
China National Standards At |
English PDF |
| GB/T 803-2008 |
DeterminAtion of explosion indices of combustible gases in air 空气中可燃气体爆炸指数测定方法 |
China National Standards At |
English PDF |
| GB/T 13464-2008 |
Thermal analysis test methods for thermal stability of mAterials 物质热稳定性的热分析试验方法 |
China National Standards At |
English PDF |
| GB/T 6567.5-2008 |
Technical drawings - Graphical symbols for piping systems - Axonometric representAtion of graphical symbols for piping, piping accessories and valves etc. 技术制图 管路系统的图形符号 管路、管件和阀门等图形符号的轴测图画法 |
China National Standards At |
English PDF |
| GB/T 4656-2008 |
Technical drawings - Simplified representAtion of bars and profile sections 技术制图 棒料、型材及其断面的简化表示法 |
China National Standards At |
English PDF |
| GB/T 324-2008 |
Weld symbolic representAtion on drawings 焊缝符号表示法 |
China National Standards At |
English PDF |
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