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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. |
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GB/T 39637-2020- English Version of China GB-National Standard Corrosion of metals and alloys—Classification of soil corrosivity 金属和合金的腐蚀 土壤环境腐蚀性分类 |
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GB/T 5584.4-2020- English Version of China GB-National Standard Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 4: Strip copper conductor 电工用铜、铝及其合金扁线 第4部分：铜带 |
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GB/T 5584.2-2020- English Version of China GB-National Standard Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 2: Rectangular copper and copper alloy wire 电工用铜、铝及其合金扁线 第2部分：铜及其合金扁线 |
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GB/T 5584.1-2020- English Version of China GB-National Standard Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 1: General 电工用铜、铝及其合金扁线 第1部分：一般规定 |
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GB/T 39495-2020- English Version of China GB-National Standard Metallic and other inorganic coatings—Chromate-free chemical conversion coatings on allumion and its alloys 金属及其他无机覆盖层 铝及铝合金无铬化学转化膜 |
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GB/T 39330-2020- English Version of China GB-National Standard Technical specification for surface treatment of titanium alloy castings 钛合金铸件表面处理技术规范 |
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GB/T 39314-2020- English Version of China GB-National Standard General technical directives for aluminum alloy plaster investment casting 铝合金石膏型铸造通用技术导则 |
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GB/T 39312-2020- English Version of China GB-National Standard Welding procedure qualification test for copper and its alloys 铜及铜合金的焊接工艺评定试验 |
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GB/T 39280-2020- English Version of China GB-National Standard Rods, wires and deposits for tungsten inert gas welding of non alloy and fine grain steels 钨极惰性气体保护电弧焊用非合金钢及细晶粒钢实心焊丝 |
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GB/T 39233-2020- English Version of China GB-National Standard Lanthanum-copper alloys 镧铜合金 |
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GB/T 39159-2020- English Version of China GB-National Standard High purity copper alloy target for integrated circuit 集成电路用高纯铜合金靶材 |
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GB/T 23514-2020- English Version of China GB-National Standard Methods for chemical analysis of nuclear-grade Ag-In-Cd alloys 核级银-铟-镉合金化学分析方法 |
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GB/T 20975.8-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 8：Determination of zinc content 铝及铝合金化学分析方法 第8部分：锌含量的测定 |
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GB/T 20975.34-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 34：Determination of sodium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第34部分：钠含量的测定 火焰原子吸收光谱法 |
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GB/T 20975.33-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 33：Determination of potassium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第33部分：钾含量的测定 火焰原子吸收光谱法 |
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GB/T 20975.32-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 32：Determination of bismuth content 铝及铝合金化学分析方法 第32部分：铋含量的测定 |
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GB/T 20975.20-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 20：Determination of gallium content—Butyrhodamine B spectrophotometric method 铝及铝合金化学分析方法 第20部分：镓含量的测定 丁基罗丹明B分光光度法 |
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GB/T 20975.19-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 19：Determination of zirconium content 铝及铝合金化学分析方法 第19部分：锆含量的测定 |
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GB/T 20975.15-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 15：Determination of boron content 铝及铝合金化学分析方法 第15部分：硼含量的测定 |
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GB/T 20975.13-2020- English Version of China GB-National Standard Methods for chemical analysis of aluminium and aluminium alloys—Part 13：Determination of vanadium content 铝及铝合金化学分析方法 第13部分：钒含量的测定 |
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GB/T 15159-2020- English Version of China GB-National Standard Composite material strips of precious metals and their alloys 贵金属及其合金复合带材 |
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GB/T 8110-2020- English Version of China GB-National Standard Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels 熔化极气体保护电弧焊用非合金钢及细晶粒钢实心焊丝 |
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GB/T 3098.25-2020- English Version of China GB-National Standard Mechanical properties of fasteners—Guidance for the selection of stainless steels and nickel alloys for fasteners 紧固件机械性能 不锈钢和镍合金紧固件选用指南 |
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GB/T 3098.24-2020- English Version of China GB-National Standard Mechanical properties of fasteners—Stainless steel and nickel alloys bolts, screws, studs and nuts for high temperature applications 紧固件机械性能 高温用不锈钢和镍合金螺栓、螺钉、螺柱和螺母 |
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GB/T 39534-2020- English Version of China GB-National Standard Corrosion of metals and alloys—Method for determination of the uniform corrosion rate of stainless steels and nickel based alloys in liquids 金属和合金的腐蚀 液体中不锈钢和镍基合金均匀腐蚀速率测定方法 |
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GB/T 39125-2020- English Version of China GB-National Standard Cerium-magnesium alloys 铈镁合金 |
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GB/T 39138.1-2020- English Version of China GB-National Standard Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—Potentiometric titration using ferrous sulfate 金镍铬铁硅硼合金化学分析方法 第1部分：金含量的测定 硫酸亚铁电位滴定法 |
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GB/T 39138.2-2020- English Version of China GB-National Standard Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2：Determination of nickel content—Dimethylglyoxime gravimetric method 金镍铬铁硅硼合金化学分析方法 第2部分：镍含量的测定 丁二酮肟重量法 |
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GB/T 39138.3-2020- English Version of China GB-National Standard Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 3：Determination of chromium, iron, silicon and boron contents—Inductively coupled plasma atomic emission spectrometry 金镍铬铁硅硼合金化学分析方法 第3部分：铬、铁、硅、硼含量的测定 电感耦合等离子体原子发射光谱法 |
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GB/T 39143-2020- English Version of China GB-National Standard Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry 金砷合金化学分析方法 砷含量的测定 电感耦合等离子体原子发射光谱法 |
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