|
[GB 4334.8-1984] 不锈钢 42%氯化镁应力腐蚀试验方法[已作废]
发布时间：1985-03-01
实施时间：1985-03-01
|
|
|
[GB 4058-1983] 硅单晶微缺陷的热氧化腐蚀检验方法[已作废]
发布时间：1984-12-01
实施时间：1984-12-01
|
|
|
[GB/T 4334.5-1990] 不锈钢硫酸-硫酸铜腐蚀试验方法[已作废]
发布时间：1984-04-09
实施时间：1991-01-01
被GB/T 4334.5-2000代替
|
|
|
[GB/T 4164-1984] 金属粉末中可被氢还原氧含量的测定[已作废]
发布时间：1984-02-21
实施时间：1985-01-01
|
|
|
[GB 4057-1983] 硅单晶微缺陷的化学腐蚀检验方法[已作废]
发布时间：1983-12-20
实施时间：1984-12-01
本标准行之有效用于电阻率10-1~104Ω.cm的硅单晶。
|
|
|
[GB/T 4061-1983] 硅多晶断面夹层化学腐蚀检验方法[已作废]
发布时间：1983-01-02
实施时间：1984-01-02
本标准适用于三氯氢硅及四氯化硅氢还原在细硅芯上沉积硅多晶所生长出来的硅多晶棒。
|
|
|
[GB 2973.1-1982] 镀锌钢丝锌层重量试验法 重量法[已作废]
发布时间：1982-12-01
实施时间：1982-12-01
|
|
|
[GB 2973.2-1982] 镀锌钢丝锌层重量试验法 气体法[已作废]
发布时间：1982-12-01
实施时间：1982-12-01
|
|
|
[GB 1838-1980] 镀锡钢板(带)锡层重量测定方法[已作废]
发布时间：1980-09-01
实施时间：1980-09-01
|
|
|
[GB 1839-1980] 镀锌钢板(带)锌层重量测定方法[已作废]
发布时间：1980-09-01
实施时间：1980-09-01
|
|
|
[GB 1554-1979] 硅单晶(111)晶面位错蚀坑腐蚀显示测量方法[已作废]
发布时间：1980-01-01
实施时间：1980-01-01
|
|
|
[GB/T 4334-2020] 金属和合金的腐蚀 奥氏体及铁素体-奥氏体（双相）不锈钢晶间腐蚀试验方法[现行]
发布时间：2020-04-28
实施时间：2020-11-01
|
- Hexalobular socket head cap screws
- Energy performance of fenestration systems for residential buildings - Calculation procedure
- Aerospace Series - Cable Outlet Accessories for Circular and Rectangular Electrical and Optical Connectors Part 002: Index of Product Standards
- Aerospace Series - Cable Outlet Accessories for Circular and Rectangular Electrical and Optical Connectors Part 064: Cable Outlet, Style k, Straight, for Heat Shrinkable Boot, Shielded, Sealed, Self-locking for en 2997 - Product Standard
- Welding Consumables - Tubular Cored Electrodes for gas Shielded and Non-gas Shielded Metal arc Welding of Non-alloy and Fine Grain Steels - Classification (iso 17632:2015)
- Slide Fasteners (zips) - Specification
- Railway Applications - Methods for Calculation of Stopping and Slowing Distances and Immobilization Braking Part 2: Step by Step Calculations for Train Sets or Single Vehicles
- Cleanrooms and Associated Controlled Environments Part 1: Classification of air Cleanliness by Particle Concentration (iso 14644-1:2015) & Part 2: Monitoring to Provide Evidence of Cleanroom Performance Related to air Cleanliness by Particle Concentration (iso 14644-2:2015)
- Welding Consumables - Wire Electrodes, Wires and Rods for Welding of Aluminium and Aluminium Alloys - Classification (iso 18273:2015)
- Railway Applications - Brake Discs for Railway Rolling Stock Part 3: Brake Discs, Performance of the Disc and the Friction Couple, Classification
- 暂无搜索记录
