[QJ 260-1977] 半导体集成相敏整流电路测试方法(试行)[已作废]
发布时间:1978-08-15
实施时间:1978-08-15
|
|
发布时间:
实施时间:
|
|
[QJ A 1511-1998] 半导体分立器件验收规范[现行]
发布时间:
实施时间:
|
|
[QJ A 1906-1997] 半导体器件破坏性物理分析(DPA)方法和程序[现行]
发布时间:
实施时间:
|
|
[QJ A 1908-1998] 半导体器件验收开盖检查方法[现行]
发布时间:
实施时间:
|
|
[QJ A 789-1995] 密封电磁继电器筛选技术条件[现行]
发布时间:
实施时间:
|
|
[QJ A 831-1998] 航天用多层印制电路板通用规范[现行]
发布时间:
实施时间:
|
|
[QJ A 832-1998] 航天用多层印制电路板试验方法[现行]
发布时间:
实施时间:
|
|
[QJ A 1796-1998] 分离(脱落)电连接器通用规范[现行]
发布时间:
实施时间:
|
|
[GB/T 38771-2020] 宇航用微波开关通用规范[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