[GB/T 1487-1979] 铂钨合金化学分析方法[已作废]
发布时间:1979-02-13
实施时间:1979-10-01
|
|
[GB/T 1488-1979] 铂钯铑合金化学分析方法[已作废]
发布时间:1979-02-13
实施时间:1979-10-01
|
|
[GB 1489-1979] 钯铱合金电流滴定分析方法[已作废]
发布时间:1979-02-13
实施时间:1979-10-01
|
|
[GB/T 1490-1979] 金磷合金化学分析方法[已作废]
发布时间:1979-02-13
实施时间:1979-10-01
|
|
[GB/T 38744-2020] 机动车尾气净化器中助剂元素化学分析方法 铈、镧、镨、钕、钡、锆含量的测定 电感耦合等离子体原子发射光谱法[即将实施]
发布时间:2020-04-28
实施时间:2021-03-01
|
推荐阅读
- 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