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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 18299-2024 |
Integrated valves for liquefied petroleum Gas cylinders for motor vehicles 机动车用液化石油气钢瓶集成阀 |
China National Standards Gas |
 English PDF |
| GB/T 17925-2024 |
X-ray digital imaging detection of butt welds of Gas cylinders 气瓶对接焊缝X射线数字成像检测 |
China National Standards Gas |
English PDF |
| GB/Z 45113-2024 |
Nanotechnology - testing of volatile components of single-walled carbon nanotubes - escaping Gas analysis/gas chromatography-mass spectrometry 纳米技术-单壁碳纳米管挥发性组分测试-逸出气体分析/气相色谱质谱法 |
China National Standards Gas |
English PDF |
| GB/T 45121-2024 |
Flue Gas carbon dioxide capture system for thermal power plants Technical specifications for energy consumption determination 火力发电厂烟气二氧化碳捕集系统能耗测定技术规范 |
China National Standards Gas |
English PDF |
| GB/T 32151.31-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 31: Wood processing enterprises 温室气体排放核算与报告要求-第31部分：木材加工企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.18-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 18: Forging enterprises 温室气体排放核算与报告要求-第18部分：锻造企业 |
China National Standards Gas |
English PDF |
| GB/T 45043-2024 |
Textiles - Determination of adipic acid esters - Gas chromatography-mass spectrometry 纺织品-己二酸酯的测定-气相色谱-质谱法 |
China National Standards Gas |
English PDF |
| GB/T 45028-2024 |
Determination of oxygen-containing compounds in alcohol ether aromatic hydrocarbons - Gas chromatography 醇醚基芳烃中含氧化合物的测定-气相色谱法 |
China National Standards Gas |
English PDF |
| GB/T 44986-2024 |
Turbine compressor for natural Gas transmission unit 天然气输送装置用透平压缩机 |
China National Standards Gas |
English PDF |
| GB/T 45045-2024 |
Determination of thirteen restricted fragrances in daily fragrances-Gas chromatography-mass spectrometry 日用香精中十三种限用香料的测定-气相色谱-质谱法 |
China National Standards Gas |
English PDF |
| GB/T 27793-2024 |
Asbestos-free fiber Gasket materials by the copying method 抄取法无石棉纤维垫片材料 |
China National Standards Gas |
English PDF |
| GB/T 44966-2024 |
Determination of fatty acid ethyl ester content in olive oil Gas chromatography-mass spectrometry 橄榄油中脂肪酸乙酯含量的测定 气相色谱-质谱法 |
China National Standards Gas |
English PDF |
| GB/T 31126.2-2024 |
Textiles-Determination of perfluorinated and polyfluorinated compounds-Part 2: Gas chromatography-mass spectrometry 纺织品-全氟及多氟化合物的测定-第2部分：气相色谱-质谱法 |
China National Standards Gas |
English PDF |
| GB/T 44915-2024 |
Technical specifications for project-based assessment of greenhouse Gas emission reductions-Waste gas and wastewater treatment and waste residue recovery 基于项目的温室气体减排量评估技术规范-废气废水处理及废渣回收 |
China National Standards Gas |
English PDF |
| GB 21522-2024 |
Emission standards for coalbed methane (coal mine Gas) 煤层气（煤矿瓦斯）排放标准 |
China National Standards Gas |
English PDF |
| GB 12358-2024 |
General technical requirements for environmental Gas detection and alarm instruments in workplaces 作业场所环境气体检测报警仪器-通用技术要求 |
China National Standards Gas |
English PDF |
| GB 25972-2024 |
Gas fire extinguishing system and components 气体灭火系统及部件 |
China National Standards Gas |
English PDF |
| GB 20128-2024 |
Inert =Gas fire extinguishing agent 惰性气体灭火剂 |
China National Standards Gas |
English PDF |
| GB/T 32151.47-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 47: Chemical fiber manufacturers 温室气体排放核算与报告要求-第47部分：化纤生产企业 |
China National Standards Gas |
English PDF |
| GB/T 44905-2024 |
Greenhouse Gas-product carbon footprint quantification method and requirements-electrolytic aluminum 温室气体-产品碳足迹量化方法与要求-电解铝 |
China National Standards Gas |
English PDF |
| GB/T 32151.20-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 20: Furniture manufacturers 温室气体排放核算与报告要求-第20部分：家具生产企业 |
China National Standards Gas |
English PDF |
| GB/T 44903-2024 |
Greenhouse Gases - Product carbon footprint quantification methods and requirements - Livestock products 温室气体-产品碳足迹量化方法与要求-畜产品 |
China National Standards Gas |
English PDF |
| GB/T 44818-2024 |
Technical specifications for project-based greenhouse Gas emission reduction assessment-Solar thermal utilization 基于项目的温室气体减排量评估技术规范-太阳能热利用 |
China National Standards Gas |
English PDF |
| GB/T 23356-2024 |
Cigarettes-Determination of carbon monoxide in the Gas phase of smoke-Non-scattering infrared method 卷烟-烟气气相中一氧化碳的测定-非散射红外法 |
China National Standards Gas |
English PDF |
| GB/T 44851.3-2024 |
Road vehicles - Liquefied natural Gas (LNG) gas system components - Part 3: Check valves 道路车辆-液化天然气（LNG）燃气系统部件-第3部分：止回阀 |
China National Standards Gas |
English PDF |
| GB/T 44819-2024 |
Methods for determining the spontaneous combustion marker Gas and critical value of coal seams 煤层自然发火标志气体及临界值确定方法 |
China National Standards Gas |
English PDF |
| GB/T 32151.23-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 23:-Planting institutions 温室气体排放核算与报告要求-第23部分：-种植业机构 |
China National Standards Gas |
English PDF |
| GB/T 32151.27-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part-27-: Land transportation enterprises 温室气体排放核算与报告要求-第-27-部分：陆上交通运输企业 |
China National Standards Gas |
English PDF |
| GB/T 44764-2024 |
Petroleum, petrochemical and natural Gas industries - Metal materials resistant to sulfide stress cracking in corrosive petroleum refining environments 石油、石化和天然气工业-腐蚀性石油炼制环境中抗硫化物应力开裂的金属材料 |
China National Standards Gas |
English PDF |
| GB/T 32151.36-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 36: Insulation material manufacturers 温室气体排放核算与报告要求-第36部分:绝热材料生产企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.38-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 38: Cement product manufacturers 温室气体排放核算与报告要求-第38部分:水泥制品生产企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.37-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 37: sintered wall, roof and road building materials production Enterprises 温室气体排放核算与报告要求-第37部分:烧结类墙体屋面及道路用建筑材料生产企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.32-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 32: coating production enterprises 温室气体排放核算与报告要求-第32部分：涂料生产企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.46-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 46: waste battery treatment and disposal enterprises 温室气体排放核算与报告要求-第46部分：废弃电池处理处置企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.45-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 45: phosphoric acid and phosphate enterprises 温室气体排放核算与报告要求-第45部分：磷酸及磷酸盐企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.43-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 43: lead smelting enterprises 温室气体排放核算与报告要求-第43部分：铅冶炼企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.42-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 42: copper smelting enterprises 温室气体排放核算与报告要求-第42部分：铜冶炼企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.41-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 41: industrial silicon production enterprises 温室气体排放核算与报告要求-第41部分:工业硅生产企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.44-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 44: zinc smelting enterprises 温室气体排放核算与报告要求-第44部分：锌冶炼企业 |
China National Standards Gas |
English PDF |
| GB/T 30519-2024 |
Determination of hydrocarbon composition and benzene content in light petroleum fractions and products-Multidimensional Gas chromatography 轻质石油馏分和产品中烃族组成和苯含量的测定-多维气相色谱法 |
China National Standards Gas |
English PDF |
| GB/T 25216-2024 |
Prediction method for coal and Gas outburst hazard area 煤与瓦斯突出危险性区域预测方法 |
China National Standards Gas |
English PDF |
| GB/T 32151.19-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 19: Heat treatment enterprises 温室气体排放核算与报告要求-第19部分：热处理企业 |
China National Standards Gas |
English PDF |
| GB/T 44653-2024 |
Guidelines for on-site recycling of sulfur hexafluoride (SF6) Gas 六氟化硫（SF6）气体的现场循环再利用导则 |
China National Standards Gas |
English PDF |
| GB/T 32151.21-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 21: Foundry enterprises 温室气体排放核算与报告要求-第21部分：铸造企业 |
China National Standards Gas |
English PDF |
| GB/T 44615-2024 |
Detection method for volatile organic compounds in soil of agricultural product production areas-Dual column Gas chromatography 农产品产地土壤中挥发性有机物检测方法-双柱气相色谱法 |
China National Standards Gas |
English PDF |
| GB/T 22069-2024 |
Gas engine driven air conditioning (heat pump) units 燃气发动机驱动空调（热泵）机组 |
China National Standards Gas |
English PDF |
| GB/T 25223-2024 |
Animal and vegetable oils and fats - Determination of sterol composition and total sterol content - Gas chromatography 动植物油脂-甾醇组成和甾醇总量的测定-气相色谱法 |
China National Standards Gas |
English PDF |
| GB/T 32151.30-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 30: Water transport enterprises 温室气体排放核算与报告要求-第30部分：水运企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.22-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 22: Livestock and poultry breeding enterprises 温室气体排放核算与报告要求-第22部分：畜禽养殖企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.24-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 24: Electronic equipment manufacturing enterprises 温室气体排放核算与报告要求-第24部分：电子设备制造企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.29-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 29: Machinery and equipment manufacturing enterprises 温室气体排放核算与报告要求-第29部分：机械设备制造企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.28-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 28: Mining enterprises 温室气体排放核算与报告要求-第28部分：矿山企业 |
China National Standards Gas |
English PDF |
| GB/T 32151.25-2024 |
Greenhouse Gas emission accounting and reporting requirements - Part 25: Food, tobacco, alcohol, beverage and refined tea enterprises 温室气体排放核算与报告要求-第25部分：食品、烟草及酒、饮料和精制茶企业 |
China National Standards Gas |
English PDF |
| GB/T 44637-2024 |
Energy Internet system - Interaction between smart grid and heat, Gas, water and transportation systems 能源互联网系统-智能电网与热、气、水、交通系统的交互 |
China National Standards Gas |
English PDF |
| GB/T 44560-2024 |
Metallurgical composite oil pipes for petroleum and natural Gas industry 石油天然气工业用冶金复合油管 |
China National Standards Gas |
English PDF |
| GB/T 29168.4-2024 |
Petroleum and natural Gas industry-Bends, pipe fittings and flanges for pipeline transportation systems-Part 4: Cold-bent pipes 石油天然气工业-管道输送系统用弯管、管件和法兰-第4部分：冷弯管 |
China National Standards Gas |
English PDF |
| GB/T 29168.2-2024 |
Petroleum and natural Gas industry-Bends, pipe fittings and flanges for pipeline transportation systems-Part 2: Pipe fittings 石油天然气工业-管道输送系统用弯管、管件和法兰-第2部分：管件 |
China National Standards Gas |
English PDF |
| GB/T 44561-2024 |
Petroleum and natural Gas industry-Design and testing of liquefied natural gas loading and unloading arms for conventional onshore receiving stations 石油天然气工业-常规陆上接收站液化天然气装卸臂的设计与测试 |
China National Standards Gas |
English PDF |
| GB/T 22723-2024 |
Natural Gas-Determination of energy 天然气-能量的测定 |
China National Standards Gas |
English PDF |
| GB/T 32151.34-2024 |
Greenhouse Gas emission accounting and reporting requirements-Part 34: Carbon materials =Material production enterprises 温室气体排放核算与报告要求-第34部分：炭素材料生产企业 |
China National Standards Gas |
English PDF |
| GB/T 39560.10-2024 |
Determination of certain substances in electrical and electronic products - Part 10: Determination of polycyclic aromatic hydrocarbons (PAHs) in polymers and electronic components by Gas chromatography-mass spectrometry (GC-MS) 电子电气产品中某些物质的测定-第10部分：气相色谱-质谱法（GC-MS）测定聚合物和电子件中的多环芳烃（PAHs） |
China National Standards Gas |
English PDF |
| GB/T 39560.9-2024 |
Determination of certain substances in electrical and electronic products - Part 9: Determination of hexabromocyclododecane in polymers by Gas chromatography-mass spectrometry (GC-MS) 电子电气产品中某些物质的测定-第9部分：气相色谱-质谱法（GC-MS）测定聚合物中的六溴环十二烷 |
China National Standards Gas |
English PDF |
| GB/T 39560.303-2024 |
Determination of certain substances in electrical and electronic products - Part 3-3: Gas chromatography-mass spectrometry with pyrolysis/thermal desorption - (Py/TD-GC-MS) Screening of polybrominated biphenyls, polybrominated diphenyl ethers and phthalates in polymers 电子电气产品中某些物质的测定-第3-3部分：配有热裂解/热脱附的气相色谱-质谱法-（Py/TD-GC-MS）筛选聚合物中的多溴联苯、多溴二苯醚和邻苯二甲酸酯 |
China National Standards Gas |
English PDF |
| GB/T 17727-2024 |
Non-metallic Gaskets for marine flanges 船用法兰非金属垫片 |
China National Standards Gas |
English PDF |
| GB/T 24067-2024 |
Greenhouse Gases-Product carbon footprint-Quantitative requirements and guidelines 温室气体-产品碳足迹-量化要求和指南 |
China National Standards Gas |
English PDF |
| GB/T 44412-2024 |
Ships and offshore technology-Liquid natural Gas fueling ship refueling specifications 船舶与海上技术-液化天然气燃料船舶加注规范 |
China National Standards Gas |
English PDF |
| GB/T 44300-2024 |
Reciprocating internal combustion Gas generator set-terminology 往复式内燃燃气发电设备-术语 |
China National Standards Gas |
English PDF |
| GB/T 44296-2024 |
Reciprocating internal combustion Gas generator set-power and fuel consumption rate conversion method 往复式内燃燃气发电机组-功率和燃料消耗率换算方法 |
China National Standards Gas |
English PDF |
| GB/T 44329-2024 |
Preparation of mixed Gas - Weighing method 混合气体的制备-称量法 |
China National Standards Gas |
English PDF |
| GB/T 44410.2-2024 |
Road vehicles - Compressed natural Gas (CNG) fuel systems - Part 2: Test methods 道路车辆-压缩天然气（CNG）燃料系统-第2部分：试验方法 |
China National Standards Gas |
English PDF |
| GB/T 44410.1-2024 |
Road vehicles - Compressed natural Gas (CNG) fuel systems - Part 1: Safety requirements 道路车辆-压缩天然气（CNG）燃料系统-第1部分：安全要求 |
China National Standards Gas |
English PDF |
| GB/T 44234-2024 |
Nanotechnology - Measurement of thermodynamic and kinetic parameters of nanomaterials and Gas surface interfaces - Resonant micromass method 纳米技术-纳米材料与气体表界面作用热力学参数和动力学参数测量-谐振微质量法 |
China National Standards Gas |
English PDF |
| GB/T 44398-2024 |
Refrigerated hydrocarbon fluids-Dynamic measurement-Requirements and guidelines for calibration and installation of flow meters for liquefied natural Gas (LNG) and other refrigerated hydrocarbon fluids 冷冻烃类流体-动态测量-用于液化天然气（LNG）和其他冷冻烃类流体的流量计校准和安装的要求和指南 |
China National Standards Gas |
English PDF |
| GB/T 44244-2024 |
Hydrogen for proton exchange membrane fuel cell vehicles - determination of carbon monoxide and carbon dioxide - Gas chromatography 质子交换膜燃料电池汽车用氢气-一氧化碳、二氧化碳的测定-气相色谱法 |
China National Standards Gas |
English PDF |
| GB/T 44238-2024 |
Hydrogen for proton exchange membrane fuel cell vehicles - determination of helium, argon, nitrogen and hydrocarbons - Gas chromatography 质子交换膜燃料电池汽车用氢气-氦、氩、氮和烃类的测定-气相色谱法 |
China National Standards Gas |
English PDF |
| GB/T 44243-2024 |
Hydrogen for Proton Exchange Membrane Fuel Cell Vehicles - Determination of Sulfur Compounds, Formaldehyde and Organic Halides - Gas Chromatography 质子交换膜燃料电池汽车用氢气-含硫化合物、甲醛和有机卤化物的测定-气相色谱法 |
China National Standards Gas |
English PDF |
| GB/T 44250.1-2024 |
Internet of Things Systems for Long-distance Oil and Gas Pipelines - Part 1: General Requirements 面向油气长输管道的物联网系统-第1部分：总体要求 |
China National Standards Gas |
English PDF |
| GB/T 44249.1-2024 |
For offshore oil and Gas production =Internet of Things Systems for Production - Part 1: General Requirements 面向海上油气生产的物联网系统-第1部分：通用要求 |
China National Standards Gas |
English PDF |
| GB/T 4706.94-2024 |
Safety of household and similar electrical appliances - Part 94: Particular requirements for appliances with electrical connections for use with Gas, oil and solid fuels 家用和类似用途电器的安全-第94部分：带有电气连接的使用燃气、燃油和固体燃料器具的特殊要求 |
China National Standards Gas |
English PDF |
| GB/T 44059.1-2024 |
Medical Gas pipeline systems - Part 1: - Pipe systems for compressed medical gases and vacuum 医用气体管道系统-第1部分:-压缩医用气体和真空用管道系统 |
China National Standards Gas |
English PDF |
| GB/T 39560.12-2024 |
Determination of certain substances in electronic and electrical products-Part 12: Simultaneous determination of polybrominated biphenyls, polybrominated diphenyl ethers and phthalates in polymers by Gas chromatography-mass spectrometry 电子电气产品中某些物质的测定-第12部分：气相色谱-质谱法同时测定聚合物中的多溴联苯、多溴二苯醚和邻苯二甲酸酯 |
China National Standards Gas |
English PDF |
| GB/T 30685-2024 |
Technical requirements for upright road transportation of Gas cylinders 气瓶直立道路运输技术要求 |
China National Standards Gas |
English PDF |
| GB/T 25503-2024 |
Requirements for sales and after-sales service of urban Gas combustion appliances 城镇燃气燃烧器具销售和售后服务要求 |
China National Standards Gas |
English PDF |
| GB/T 44045-2024 |
Rotor pumps for petroleum, petrochemical and natural Gas industries 石油、石化和天然气工业用转子泵 |
China National Standards Gas |
English PDF |
| GB-41317-2024 |
Stainless steel corrugated hose for connection of Gas appliances 燃气用具连接用不锈钢波纹软管 |
China National Standards Gas |
English PDF |
| GB-35848-2024 |
Commercial Gas burning appliances 商用燃气燃烧器具 |
China National Standards Gas |
English PDF |
| GB-44016-2024 |
Energy emergency electromagnetic Gas shut-off valve 电磁式燃气紧急切断阀 |
China National Standards Gas |
English PDF |
| GB-44017-2024 |
Metal sheathed hose for connection of Gas appliances 燃气用具连接用金属包覆软管 |
China National Standards Gas |
English PDF |
| GB-44023-2024 |
Rubber composite hose for internal connection of Gas appliances 燃气用具连接内用橡胶复合软管 |
China National Standards Gas |
English PDF |
| GB-30180-2024 |
Energy consumption limits per unit product of coal-to-olefins, coal-to-natural Gas and coal-to-oil 煤制烯烃、煤制天然气和煤制油单位产品能源消耗限额 |
China National Standards Gas |
English PDF |
| GB/T 13077-2024 |
Periodic inspection and evaluation of seamless aluminum alloy Gas cylinders 铝合金无缝气瓶定期检验与评定 |
China National Standards Gas |
English PDF |
| GB/T 13930-2024 |
Water ring vacuum pumps and water ring compressors-Methods for determination of Gas volume 水环真空泵和水环压缩机-气量测定方法 |
China National Standards Gas |
English PDF |
| GB/T 17259-2024 |
Liquid petroleum Gas cylinders for motor vehicles 机动车用液化石油气钢瓶 |
China National Standards Gas |
English PDF |
| GB/T 19533-2024 |
Periodic inspection and evaluation of compressed natural Gas cylinders for automobiles 汽车用压缩天然气钢瓶定期检验与评定 |
China National Standards Gas |
English PDF |
| GB/T 21832.3-2024 |
Austenitic-ferritic duplex stainless steel welded steel pipes - Part 3: Pipes for oil and Gas transportation 奥氏体-铁素体型双相不锈钢焊接钢管-第3部分：油气输送用管 |
China National Standards Gas |
English PDF |
| GB/T 21833.3-2024 |
Austenitic-ferritic duplex stainless steel seamless steel pipes - Part 3: Pipes for oil and Gas transportation 奥氏体-铁素体型双相不锈钢无缝钢管-第3部分：油气输送用管 |
China National Standards Gas |
English PDF |
| GB/T 28884-2024 |
Seamless steel tubes for large-volume Gas cylinders 大容积气瓶用无缝钢管 |
China National Standards Gas |
English PDF |
| GB/T 43130.2-2024 |
Liquefied natural Gas plants and equipment-Design of floating liquefied natural gas plants-Part 2: Special requirements for floating storage and regasification plants 液化天然气装置和设备-浮式液化天然气装置的设计-第2部分：浮式储存和再气化装置的特殊要求 |
China National Standards Gas |
English PDF |
| GB/T 43905.1-2024 |
Laboratory methods for sampling fumes and Gases for welding and related processes - Part 1: Determination of emission rates of fumes from arc welding and collection of fumes for analysis 焊接及相关工艺中烟尘和气体取样的实验室方法-第1部分：电弧焊中烟尘排放速率的测定和分析用烟尘的收集 |
China National Standards Gas |
English PDF |
| GB/T 43905.2-2024 |
Laboratory methods for sampling fumes and Gases for welding and related processes - Part 2: Determination of emission rates of carbon monoxide, carbon dioxide, nitric oxide and nitrogen dioxide during arc welding, cutting and gouging 焊接及相关工艺中烟尘和气体取样的实验室方法-第2部分：电弧焊、切割及气刨中一氧化碳、二氧化碳、一氧化氮、二氧化氮排放速率的测定 |
China National Standards Gas |
English PDF |
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