China EM GB Standards English PDF List

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.

China "EM" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 30843.3-2017	Variable-frequency drive above 1kV and not exceeding 35kV—Part 3: Safety requirEMents 1kV以上不超过35kV的通用变频调速设备第3部分：安全规程	China National Standards EM	English PDF
GB/T 14048.13-2017	Low-voltage switchgear and controlgear—Part 5-3: Control circuit devices and switching elEMents—Requirements for proximity devices with defined behaviour under fault conditions (PDDB) 低压开关设备和控制设备第5-3部分：控制电路电器和开关元件在故障条件下具有确定功能的接近开关（PDDB）的要求	China National Standards EM	English PDF
GB/T 18211-2017	General requirEMents for safety of electrical micro-machines 微电机安全通用要求	China National Standards EM	English PDF
GB/T 1303.5-2017	Industrial rigid laminated sheets based on thermosetting resins for electrical purposes—Part 5: RequirEMents for rigid laminated sheets based on melamine resins 电气用热固性树脂工业硬质层压板第5部分：三聚氰胺树脂硬质层压板	China National Standards EM	English PDF
GB/T 34428.4-2017	Communication rules of the devices of surveillance and control systEM for expressway—Part 4：Weather detector 高速公路监控设施通信规程第4部分: 气象检测器	China National Standards EM	English PDF
GB/T 34428.5-2017	Communication rules of the devices of surveillance and control systEM for expressway—Part 5：Tunnel environment detector 高速公路监控设施通信规程第5部分: 隧道环境检测器	China National Standards EM	English PDF
GB/T 34428.2-2017	Communication rules of the devices of surveillance and control systEM for expressway—Part 2：Vehicle detector 高速公路监控设施通信规程第2部分: 车辆检测器	China National Standards EM	English PDF
GB/T 34428.6-2017	Communication rules of the devices of surveillance and control systEM for expressway—Part 6：Wall map 高速公路监控设施通信规程第6部分: 地图板	China National Standards EM	English PDF
GB/T 34368-2017	Technical requirEMent for major maintenance of passenger ropeway 客运索道重大修理的技术要求	China National Standards EM	English PDF
GB/T 28807.3-2017	Railway applications—Compatibility between rolling stock and train detection systEMs—Part 3:Compatibility with axle counters 轨道交通机车车辆和列车检测系统的兼容性第3部分：与计轴器的兼容性	China National Standards EM	English PDF
GB/T 28807.2-2017	Railway applications—Compatibility between rolling stock and train detection systEMs—Part 2: Compatibility with track circuits 轨道交通机车车辆和列车检测系统的兼容性第2部分：与轨道电路的兼容性	China National Standards EM	English PDF
GB/T 34569-2017	Simulation training systEM for live working 带电作业仿真训练系统	China National Standards EM	English PDF
GB/T 34370.1-2017	Nondestructive testing of amusEMent equipments—Part 1：General requirement 游乐设施无损检测第1部分：总则	China National Standards EM	English PDF
GB/T 34370.5-2017	Nondestructive testing of amusEMent equipments—Part 5：Ultrasonic testing 游乐设施无损检测第5部分：超声检测	China National Standards EM	English PDF
GB/T 34370.6-2017	Nondestructive testing of amusEMent equipments—Part 6：Radiographic testing 游乐设施无损检测第6部分：射线检测	China National Standards EM	English PDF
GB/T 34370.2-2017	Nondestructive testing of amusEMent equipments－Part 2:Visual examination 游乐设施无损检测第2部分：目视检测	China National Standards EM	English PDF
GB/T 34370.4-2017	Nondestructive testing of amusEMent equipments—Part 4：Penetrant testing 游乐设施无损检测第4部分：渗透检测	China National Standards EM	English PDF
GB/T 34371-2017	Risk assessment for amusEMent ride—General principles 游乐设施风险评价总则	China National Standards EM	English PDF
GB/T 34370.3-2017	Nondestructive testing of amusEMent equipments—Part 3：Magnetic particle testing 游乐设施无损检测第3部分：磁粉检测	China National Standards EM	English PDF
GB/T 34578-2017	Technical requirEMents for operation,maintenance and test of instrumentation and actuating equipment in thermal power plant 火力发电厂热工仪表与执行装置运行维护与试验技术规程	China National Standards EM	English PDF
GB/T 34572-2017	Railway applications—Current collection systEM—Pantographs,testing methods for carbon contact strips 轨道交通受流系统受电弓碳滑板试验方法	China National Standards EM	English PDF
GB/T 2099.9-2017	Plugs and socket-outlets for household and similar purposes—Part 2-9: Particular requirEMents for socket-outlets for information 家用和类似用途插头插座第2-9部分：信息插座的特殊要求	China National Standards EM	English PDF
GB/Z 30556.3-2017	Electromagnetic compatibility—Installation and mitigation guidelines－HEMP protection concepts 电磁兼容安装和减缓导则高空核电磁脉冲（HEMP）的防护概念	China National Standards EM	English PDF
GB/T 34580-2017	Standard test method for measurEMent of lubricant generated insoluble color bodies in in-service turbine oils—Membrane patch colorimetry 运行涡轮机油中不溶有色物质的测定方法膜片比色法	China National Standards EM	English PDF
GB/T 34579-2017	Methods of measurEMent and limits for radiated disturbances from plasma display panel equipment in the frequency range 150kHz to 30MHz 等离子显示设备150kHz～30MHz辐射骚扰限值和测量方法	China National Standards EM	English PDF
GB/T 34581-2017	General technical requirEMents for photovoltaic system DC circuit breakers 光伏系统用直流断路器通用技术要求	China National Standards EM	English PDF
GB/T 4698.20-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 4：Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第4部分：锰量的测定高碘酸盐分光光度法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 13747.15-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 15：Determination of boron content—Curcumin spectrophotometry 锆及锆合金化学分析方法第15部分：硼量的测定姜黄素分光光度法	China National Standards EM	English PDF
GB/T 4698.19-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 19：Determination of molybdenum content—Thiocyanate-differential spectrophotometry 海绵钛、钛及钛合金化学分析方法第19部分：钼量的测定硫氰酸盐示差光度法	China National Standards EM	English PDF
GB/T 4698.5-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 5：Determination of molybdenum content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第5部分：钼量的测定硫氰酸盐分光光度法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 13747.21-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 21：Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method 锆及锆合金化学分析方法第21部分：氢量的测定惰气熔融红外吸收法/热导法	China National Standards EM	English PDF
GB/T 13747.8-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 8：Determination of cobalt content—Nitroso-R-salt spectrophotometry 锆及锆合金化学分析方法第8部分：钴量的测定亚硝基R盐分光光度法	China National Standards EM	English PDF
GB/T 34574-2017	Limits and measurEMents of electromagnetic emission for high-speed train 高速列车电磁发射限值与测量	China National Standards EM	English PDF
GB/T 1819.17-2017	Methods for chEMical analysis of tin concentrates—Part 17：Determination of mercury content—Atomic fluorescence spectrometric method 锡精矿化学分析方法第17部分：汞量的测定原子荧光光谱法	China National Standards EM	English PDF
GB/T 1819.15-2017	Methods for chEMical analysis of tin concentrates—Part 15：Determination of fluorine content—The ion-selective electrode method 锡精矿化学分析方法第15部分：氟量的测定离子选择电极法	China National Standards EM	English PDF
GB/T 6883-2017	CEMented carbide sintering body for wire, bar or tube drawing dies—Dimensions 线、棒、管拉模用硬质合金烧结品尺寸	China National Standards EM	English PDF
GB/T 13747.11-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 11: Determination of molybdenum content—Thiocyanate spectrophotometry 锆及锆合金化学分析方法第11部分：钼量的测定硫氰酸盐分光光度法	China National Standards EM	English PDF
GB/T 1819.7-2017	Methods for chEMical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method 锡精矿化学分析方法第7部分：铋量的测定火焰原子吸收光谱法	China National Standards EM	English PDF
GB/T 34647-2017	TEMper designation system for titanium and titanium alloy 钛及钛合金产品状态代号	China National Standards EM	English PDF
GB/T 34646-2017	Sintered metal mEMbrane filter materials and elements 烧结金属膜过滤材料及元件	China National Standards EM	English PDF
GB/T 6886-2017	Sintered stainless steel filter elEMents 烧结不锈钢过滤元件	China National Standards EM	English PDF
GB/T 4698.8-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 8：Determination of aluminum content—Separation with sodium hydroxide-EDTA complex-metric titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第8部分：铝量的测定碱分离-EDTA络合滴定法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 13747.13-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 13: Determination of lead content—Polarography 锆及锆合金化学分析方法第13部分：铅量的测定极谱法	China National Standards EM	English PDF
GB/T 15370.7-2017	Agricultural tractors—General requirEMent—Part 7: Three-wheel boat tractors 农业拖拉机通用技术条件第7部分：三轮船式拖拉机	China National Standards EM	English PDF
GB/T 34630.5-2017	Friction stir welding—Aluminium and its alloys—Part 5：Quality and inspection requirEMents 搅拌摩擦焊铝及铝合金第5部分：质量与检验要求	China National Standards EM	English PDF
GB/T 32076.8-2017	High-strength structural bolting assEMblies for preloading—Part 8: Torshear type bolt with cup head,and nut assemblies 预载荷高强度栓接结构连接副第8部分：扭剪型圆头螺栓和螺母连接副	China National Standards EM	English PDF
GB/T 1819.13-2017	Methods for chEMical analysis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method 锡精矿化学分析方法第13部分：氧化镁、氧化钙量的测定火焰原子吸收光谱法	China National Standards EM	English PDF
GB/T 34634-2017	Geometrical product specifications (GPS)—MeasurEMent of linear sizes (500 mm-10000 mm) of plain workpiece—Choice of measuring instrument 产品几何技术规范(GPS) 光滑工件尺寸(500mm～10000mm)测量计量器具选择	China National Standards EM	English PDF
GB/T 1819.8-2017	Methods for chEMical analysis of tin concentrates—Part 8：Determination of zinc content—Flame atomic absorption spectrometric method 锡精矿化学分析方法第8部分：锌量的测定火焰原子吸收光谱法	China National Standards EM	English PDF
GB/T 4698.18-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 18：Determination of tin content—Flame atomic absorption spectrometry 海绵钛、钛及钛合金化学分析方法第18部分：锡量的测定火焰原子吸收光谱法	China National Standards EM	English PDF
GB/T 4698.24-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 24：Determination of nickel content—Dimethylglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第24部分：镍量的测定丁二酮肟分光光度法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 1819.10-2017	Methods for chEMical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method 锡精矿化学分析方法第10部分：硫量的测定高频感应炉燃烧红外吸收法和碘酸钾滴定法	China National Standards EM	English PDF
GB/T 4698.9-2017	Methods for chEMical analysis of titanium sponge,titanium and titanium alloys—Part 9：Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第9部分：锡量的测定碘酸钾滴定法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 34618-2017	TEMperature detection method for judging internal leakage faults of working valves in steam drainage steam 蒸汽疏水系统在线阀门内漏温度检测方法	China National Standards EM	English PDF
GB/T 34619-2017	Test method for volumetric flow of positive displacEMent refrigerant compressors 容积式制冷剂压缩机容积流量试验方法	China National Standards EM	English PDF
GB/T 3325-2017	General technical requirEMents for metal furniture 金属家具通用技术条件	China National Standards EM	English PDF
GB/T 13747.14-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 14：Determination of uranium content—Polarography 锆及锆合金化学分析方法第14部分：铀量的测定极谱法	China National Standards EM	English PDF
GB/T 13747.19-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part19：Determination of titanium content—Diantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第19部分：钛量的测定二安替比林甲烷分光光度法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 13747.16-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 16：Determination of chloric content—Silver chloride nephelometry and ion selective electrode method 锆及锆合金化学分析方法第16部分：氯量的测定氯化银浊度法和离子选择性电极法	China National Standards EM	English PDF
GB/T 13747.25-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 25：Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第25部分：铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 13747.17-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 17：Determination of cadmium content—Polarography 锆及锆合金化学分析方法第17部分：镉量的测定极谱法	China National Standards EM	English PDF
GB/T 5754.2-2017	Steel cord conveyor belts—Longitudinal traction test—Part 2: MeasurEMent of tensile strength 钢丝绳芯输送带纵向拉伸试验第2部分：拉伸强度的测定	China National Standards EM	English PDF
GB/T 13747.22-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 22：Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method 锆及锆合金化学分析方法第22部分：氧量和氮量的测定惰气熔融红外吸收法/热导法	China National Standards EM	English PDF
GB/T 13747.24-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 24：Determination of carbon content—Infrared absorption method after high frequency combustion 锆及锆合金化学分析方法第24部分：碳量的测定高频燃烧红外吸收法	China National Standards EM	English PDF
GB/T 9473-2017	Performance requirEMents for table lamps for paper task 读写作业台灯性能要求	China National Standards EM	English PDF
GB/T 13747.1-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 1：Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry 锆及锆合金化学分析方法第1部分：锡量的测定碘酸钾滴定法和苯基荧光酮-聚乙二醇辛基苯基醚分光光度法	China National Standards EM	English PDF
GB/T 4698.23-2017	Methods for chEMical analysis of titanium sponge，titanium and titanium alloys—Part 23：Determination of palladium content—Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第23部分：钯量的测定氯化亚锡-碘化钾分光光度法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 4698.13-2017	Methods for chEMical analysis of titanium sponge,titanium and titanium alloys—Part 13：Determination of zirconium content—EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第13部分：锆量的测定 EDTA络合滴定法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 4698.25-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 25：Determination of chlorine content—Silver chlorin spectrophotometry 海绵钛、钛及钛合金化学分析方法第25部分：氯量的测定氯化银分光光度法	China National Standards EM	English PDF
GB/T 4698.12-2017	Methods for chEMical analysis of titanium sponge, titanium and titanium alloys—Part 12：Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第12部分：钒量的测定硫酸亚铁铵滴定法和电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 13747.20-2017	Methods for chEMical analysis of zirconium and zirconium alloys—Part 20：Determination of hafnium content—Inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第20部分：铪量的测定电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 4678.19-2017	Diecasting dies—Components—Part 19: Locating elEMent 压铸模零件第19部分：定位元件	China National Standards EM	English PDF
GB/T 34499.2-2017	Methods for chEMical analysis of iridium compounds—Part 2：Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content—Ind 铱化合物化学分析方法第2部分: 银、金、铂、钯、铑、钌、铝、铜、铁、镍、铅、镁、锰、锡、锌、钙、钠、钾、硅的测定电感耦合等离子体原子发射光谱法	China National Standards EM	English PDF
GB/T 34502-2017	Gold-coated silver and silver alloy bonding wires for sEMiconductor package 封装键合用镀金银及银合金丝	China National Standards EM	English PDF
GB/T 1819.16-2017	Methods for chEMical analysis of tin concentrats—Part 16:Determination of siliver content—Flame atomic absorption spectrometry 锡精矿化学分析方法第16部分：银量的测定火焰原子吸收光谱法	China National Standards EM	English PDF
GB/T 34499.1-2017	Method for chEMical analysis of iridium compounds—Part 1: Determination of iridium content—Electricity titration using ferrous sulfate 铱化合物化学分析方法第1部分：铱量的测定硫酸亚铁电流滴定法	China National Standards EM	English PDF
GB/T 27022-2017	Conformity assessment—RequirEMents and recommendations for content of a third-party audit report on management systems 合格评定管理体系第三方审核报告内容要求和建议	China National Standards EM	English PDF
GB/T 34415-2017	Cavity ring-down spectroscopy systEM for measurement of atmospheric carbon dioxide 大气二氧化碳(CO2)光腔衰荡光谱观测系统	China National Standards EM	English PDF
GB/T 34021-2017	Small amusEMent device—Rocking equipment and seesaw 小型游乐设施摇马和跷跷板	China National Standards EM	English PDF
GB/T 34272-2017	Safety requirEMents of small amusement device 小型游乐设施安全规范	China National Standards EM	English PDF
GB/T 34274-2017	Safety requirEMents of carriers for passenger transportation by rope 客运索道运载工具通用技术条件	China National Standards EM	English PDF
GB/T 1819.12-2017	Methods for chEMical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration 锡精矿化学分析方法第12部分：二氧化硅量的测定硅钼蓝分光光度法和氢氧化钠滴定法	China National Standards EM	English PDF
GB/T 1819.9-2017	Methods for chEMical analysis of tin concentrates—Part 9：Determination of tungsten trioxide content—The thiocyanate spectrophotometric method 锡精矿化学分析方法第9部分：三氧化钨量的测定硫氰酸盐分光光度法	China National Standards EM	English PDF
GB/T 1819.14-2017	Methods for chEMical analysis of tin concentrates—Part 14：Determination of copper content—Flame atomic absorption spectrometry 锡精矿化学分析方法第14部分：铜量的测定火焰原子吸收光谱法	China National Standards EM	English PDF
GB/T 3884.19-2017	Methods for chEMical analysis of copper concentrates—Part 19: Determination of thallium content—Inductively coupled plasma mass spectrometry 铜精矿化学分析方法第19部分：铊量的测定电感耦合等离子体质谱法	China National Standards EM	English PDF
GB 11567-2017	Motor vehicles and trailers-lateral and rear underrun protection requirEMents 汽车及挂车侧面和后下部防护要求	China National Standards EM	English PDF
GB/T 34405-2017	Determination for migration of acrylamide in household papers—Liquid chromatography-tandEM mass spectrometry（LC-MS/MS）method 家用纸制品中丙烯酰胺迁移量的测定液相色谱-串联质谱法	China National Standards EM	English PDF
GB/T 20306-2017	AmusEMent devices terminology 游乐设施术语	China National Standards EM	English PDF
GB/T 3002-2017	Refractory products—Determination of modulus of rupture at elevated tEMperatures 耐火材料高温抗折强度试验方法	China National Standards EM	English PDF
GB/T 3001-2017	Refractory products—Determination of modulus of rupture at ambient tEMperature 耐火材料常温抗折强度试验方法	China National Standards EM	English PDF
GB/T 34174-2017	Surface chEMical analysis—Proposed procedure for certifying the retained areic dose in a working reference material produced by ion implantation 表面化学分析工作参考物质中离子注入产生的驻留面剂量定值的推荐程序	China National Standards EM	English PDF
GB/T 34176-2017	ChEMical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline 邻二氮杂菲分光光度法测定耐火材料中的二价和三价铁离子化学分析方法	China National Standards EM	English PDF
GB/T 34180-2017	Thermal insulation products for building applications—Determination of the resistance to impact of external thermal insulation composite systEMs(ETICS) 建筑用绝热制品外墙外保温系统抗冲击性测定	China National Standards EM	English PDF
GB/T 34184-2017	Test method for infrared refractive index of infrared optical glass—The deflection angle measurEMent 红外光学玻璃红外折射率测试方法偏折角法	China National Standards EM	English PDF
GB/T 16555-2017	ChEMical analysis of refractories containing carbon and silicon carbide or nitride 含碳、碳化硅、氮化物耐火材料化学分析方法	China National Standards EM	English PDF
GB/T 34186-2017	Refractory products—Determination of dynamic Young’s modulus(MOE)at elevated tEMperatures by impulse excitation of vibration 耐火材料高温动态杨氏模量试验方法(脉冲激振法)	China National Standards EM	English PDF
GB/T 34217-2017	Refractory products—Determination of torsion strength at elevated tEMperature 耐火材料高温抗扭强度试验方法	China National Standards EM	English PDF
GB/T 34189-2017	Portland cEMent used for pipe pile without high pressure steam 免压蒸管桩硅酸盐水泥	China National Standards EM	English PDF
GB/T 34219-2017	Refractory matericals—Determination of tensile strength at room tEMperature 耐火材料常温抗拉强度试验方法	China National Standards EM	English PDF
GB/T 20491-2017	Steel slag powder used for cEMent and concrete 用于水泥和混凝土中的钢渣粉	China National Standards EM	English PDF

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