Chinese Standards Library
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GB/T 21833.2-2020
Published- Issued
- 2020-04-28
- Effective
- 2020-11-01
GB/T 38771-2020
PublishedGeneral specification of microwave switch for space application
- Issued
- 2020-04-28
- Effective
- 2020-11-01
GB/T 13908-2020
PublishedGB/T 38800-2020
PublishedGeneral technical requirements of modular isolation units for emergency medical ues
- Issued
- 2020-04-03
- Effective
- 2020-10-01
GB/T 38715-2020
PublishedGB/T 17766-2020
PublishedClassifications for mineral resources and mineral reserves
- Issued
- 2020-03-31
- Effective
- 2020-05-01
GB/T 3198-2020
PublishedGB/T 38525-2020
PublishedAnchor channel assemblies for building curtain wall
- Issued
- 2020-03-06
- Effective
- 2021-02-01
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