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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 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 or |
 English PDF |
| GB/T 34642-2017 |
Continuous casting machine for aluminum ingots 铝锭连续铸造机组 |
China National Standards or |
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 or |
English PDF |
| GB/T 34643-2017 |
Sintered metal porous materials—Determination of air filter permeability 烧结金属多孔材料 气体过滤性能的测定 |
China National Standards or |
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 or |
English PDF |
| GB/T 3250-2017 |
Shearing and riveting test method of wires and rods for the aluminum and aluminum-alloy rivets 铝及铝合金铆钉用线材和棒材剪切与铆接试验方法 |
China National Standards or |
English PDF |
| GB/T 34626.1-2017 |
Metallic and other inorganic coatings—Cleaning and preparation of metal surfaces—Part 1: Ferrous metals and alloys 金属及其他无机覆盖层 金属表面的清洗和准备 第1部分：钢铁及其合金 |
China National Standards or |
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 or |
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 or |
English PDF |
| GB/T 21958-2017 |
Wheeled tractor—Front drive axle 轮式拖拉机 前驱动桥 |
China National Standards or |
English PDF |
| GB/T 34372-2017 |
Walking tractor—Drawbar dimensions and power take-off types 手扶拖拉机 牵引装置尺寸及动力输出装置型式 |
China National Standards or |
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 or |
English PDF |
| GB/T 34630.3-2017 |
Friction stir welding—Aluminium and its alloys—Part 3：Qualification of welding operators 搅拌摩擦焊 铝及铝合金 第3部分：焊接操作工的技能评定 |
China National Standards or |
English PDF |
| GB/T 14449-2017 |
Test method for aerosol products 气雾剂产品测试方法 |
China National Standards or |
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 or |
English PDF |
| GB/T 34627-2017 |
Metallic and other inorganic coatings—Definitions and conventions concerning appearance 金属及其他无机覆盖层 外观的定义及习惯用法 |
China National Standards or |
English PDF |
| GB/T 34629-2017 |
Conveyor belts—Determination of minimum pulley diameters 输送带 最小滚筒直径的确定 |
China National Standards or |
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 or |
English PDF |
| GB/T 34641-2017 |
Non-destructive testing—Test method for determining image quality in direct thermal neutron radiographic examination 无损检测 直接热中子照相检测的像质测定方法 |
China National Standards or |
English PDF |
| GB/T 34626.2-2017 |
Metallic and other inorganic coatings—Cleaning and preparation of metal surfaces—Part 2: Non-ferrous metals and alloys 金属及其他无机覆盖层 金属表面的清洗和准备 第2部分：有色金属及其合金 |
China National Standards or |
English PDF |
| GB/T 34644-2017 |
Eddy current testing method for zirconium and zirconium alloy tube 锆及锆合金管材涡流检测方法 |
China National Standards or |
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 or |
English PDF |
| GB/T 34638-2017 |
Non-destructive testing—Test methods for ultrasonic leak detection 无损检测 超声泄漏检测方法 |
China National Standards or |
English PDF |
| GB/T 34648-2017 |
Metallic and other inorganic coatings—Autocatalytic nickel over autocatalytic copper for electromagnetic shielding 金属及其他无机覆盖层 电磁屏蔽用化学镀铜上化学镀镍 |
China National Standards or |
English PDF |
| GB/T 18916.32-2017 |
Norm of water intake—Part 32：Iron ore mineral processing 取水定额 第32部分：铁矿选矿 |
China National Standards or |
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 or |
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 or |
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 or |
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 or |
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 or |
English PDF |
| GB/T 18690.3-2017 |
Agricultural irrigation equipment—Filters for microirrigation—Part 3:Automatic flushing strainer-type filters and disc filters 农业灌溉设备 微灌用过滤器 第3部分：自动冲洗网式过滤器和叠片式过滤器 |
China National Standards or |
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 or |
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 or |
English PDF |
| GB/T 34620-2017 |
Category Ⅰ lithium bromide absorption heat pump unit 第一类溴化锂吸收式热泵机组 |
China National Standards or |
English PDF |
| GB/T 18690.2-2017 |
Agricultural irrigation equipment—Filters for microirrigation—Part 2: Strainer-type filters and disc filters 农业灌溉设备 微灌用过滤器 第2部分：网式过滤器和叠片式过滤器 |
China National Standards or |
English PDF |
| GB/T 30475.4-2017 |
Filters for compressed air—Test methods—Part 4: Water 压缩空气过滤器 试验方法 第4部分：水 |
China National Standards or |
English PDF |
| GB/T 34637-2017 |
Non-destructive testing—Test methods for bubble leak detection 无损检测 气泡泄漏检测方法 |
China National Standards or |
English PDF |
| GB/T 34445-2017 |
Test method of hot-tack property for heat sealing surfaces of thermoplastic polymer and thermoplastic composite material 热塑性塑料及其复合材料热封面热粘性能测定 |
China National Standards or |
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 or |
English PDF |
| GB/T 19362.2-2017 |
Test conditions for bridge-type milling machines—Testing of the accuracy—Part 2: Travelling bridge (gantry-type) machines 龙门铣床检验条件 精度检验 第2部分：龙门移动式铣床 |
China National Standards or |
English PDF |
| GB/T 4678.8-2017 |
Diecasting dies—Components—Part 8: Ejector plate 压铸模 零件 第8部分：推板 |
China National Standards or |
English PDF |
| GB/T 19498-2017 |
Protective structures on agricultural and forestry tractors—Static testing method and accepting condition 农林拖拉机防护装置 静态试验方法和验收技术条件 |
China National Standards or |
English PDF |
| GB/T 23592-2017 |
Catalyst for motorcycle exhaust purification 摩托车排气净化催化剂 |
China National Standards or |
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 or |
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 or |
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 or |
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 or |
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 or |
English PDF |
| GB/T 19587-2017 |
Determination of the specific surface area of solids by gas adsorption using the BET method 气体吸附BET法测定固态物质比表面积 |
China National Standards or |
English PDF |
| GB/T 4678.9-2017 |
Diecasting dies—Components—Part 9: Ejector guide pillar 压铸模 零件 第9部分：推板导柱 |
China National Standards or |
English PDF |
| GB/T 18685-2017 |
The blank diameters for rolling general purpose metric screw threads 普通螺纹搓制和滚制前的毛坯直径 |
China National Standards or |
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 or |
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 or |
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 or |
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 or |
English PDF |
| GB/T 4678.10-2017 |
Diecasting dies—Components—Part 10: Ejector guide bush 压铸模 零件 第10部分：推板导套 |
China National Standards or |
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 or |
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 or |
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 or |
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 or |
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 or |
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 or |
English PDF |
| GB/T 4678.11-2017 |
Diecasting dies—Components—Part 11: Ejector pin 压铸模 零件 第11部分：推杆 |
China National Standards or |
English PDF |
| GB/T 34385-2017 |
General technical specifications for cold roll forming machinery 辊式冷弯成形机械通用技术条件 |
China National Standards or |
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 or |
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 or |
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 or |
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 or |
English PDF |
| GB/T 34410-2017 |
Classification and general technology of upper limb orthoses 上肢矫形器的分类及通用技术条件 |
China National Standards or |
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 or |
English PDF |
| GB/T 34412-2017 |
Statistical method for surface standard climate normals 地面标准气候值统计方法 |
China National Standards or |
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 or |
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 or |
English PDF |
| GB/T 3690-2017 |
Textile conveyor belts—Full thickness tensile strength,elongation at break and elongation at the reference load—Test method 织物芯输送带 全厚度拉伸强度、拉断伸长率和参考力伸长率 试验方法 |
China National Standards or |
English PDF |
| GB/T 34366-2017 |
Light conveyor belts—Determination of the electrostatic field generated by a running light conveyor belt 轻型输送带 轻型输送带运转产生的静电场的测定 |
China National Standards or |
English PDF |
| GB/T 34367-2017 |
Light conveyor belts—Determination of the relaxed elastic modulus 轻型输送带 松弛弹性模量的测定 |
China National Standards or |
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 or |
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 or |
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 or |
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 or |
English PDF |
| GB/T 14142-2017 |
Test method for crystallographic perfection of epitaxial layers in silicon—Etching technique 硅外延层晶体完整性检验方法 腐蚀法 |
China National Standards or |
English PDF |
| GB/T 25026-2017 |
Structure,main size and basic parameters of one piece glass-lined steel vessels with agitator 搪玻璃闭式搅拌容器型式、主要尺寸及基本参数 |
China National Standards or |
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 or |
English PDF |
| GB/T 34550.2-2017 |
Method for evaluation of cooling seawater treatment agents—Part 2: Determination of scale inhibition performance 海水冷却水处理药剂性能评价方法 第2部分：阻垢性能的测定 |
China National Standards or |
English PDF |
| GB/T 34550.3-2017 |
Method for evaluation of cooling seawater treatment agents—Part 3: Determination of inhibiting microbes performance 海水冷却水处理药剂性能评价方法 第3部分：菌藻抑制性能的测定 |
China National Standards or |
English PDF |
| GB/T 34550.4-2017 |
Method for evaluation of cooling seawater treatment agents—Part 4: Dynamic simulation test 海水冷却水处理药剂性能评价方法 第4部分：动态模拟试验 |
China National Standards or |
English PDF |
| GB/T 34550.1-2017 |
Method for evaluation of cooling seawater treatment agents—Part 1: Determination of corrosion inhibition performance 海水冷却水处理药剂性能评价方法 第1部分: 缓蚀性能的测定 |
China National Standards or |
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 or |
English PDF |
| GB/T 34670-2017 |
Specification for technology transfer services 技术转移服务规范 |
China National Standards or |
English PDF |
| GB/T 14251-2017 |
General technical standard for metal container of canned food 罐头食品金属容器通用技术要求 |
China National Standards or |
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 or |
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 or |
English PDF |
| GB/T 7321-2017 |
Sample preparation for testing of shaped refractory products 定形耐火制品试样制备方法 |
China National Standards or |
English PDF |
| GB/T 34171-2017 |
Test method for flexural property of thin and ultrathin glass—Three-point bending method 薄与超薄玻璃弯曲性能试验方法 三点弯曲法 |
China National Standards or |
English PDF |
| GB/T 7322-2017 |
Refractory products—Determination of refractoriness 耐火材料 耐火度试验方法 |
China National Standards or |
English PDF |
| GB/T 20314-2017 |
Thin float glass for liquid crystal display（ LCD ）applications 液晶显示器用薄浮法玻璃 |
China National Standards or |
English PDF |
| GB/T 3854-2017 |
Test method for hardness of reinforced plastics by means of a Barcol impresser 增强塑料巴柯尔硬度试验方法 |
China National Standards or |
English PDF |
| GB/T 34175-2017 |
Determination of sulfur in refractory products 耐火材料中硫含量的测定 |
China National Standards or |
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 or |
English PDF |
| GB/T 34178-2017 |
Silica glass substrates for photomask 光掩模石英玻璃基板 |
China National Standards or |
English PDF |
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