Chinese National Standards
Browse selected Chinese national standards, including mandatory GB standards and recommended GB/T standards prepared for English search and inquiry workflows.
Browse subcategories (2)
GB/T 33921-2017
Published- Issued
- 2017-07-12
- Effective
- 2018-02-01
GB/T 4182-2017
PublishedGB/T 17791-2017
PublishedSeamless copper and copper alloys tube for air conditioner and refrigeration equipment
- Issued
- 2017-07-12
- Effective
- 2018-02-01
GB/T 34017-2017
PublishedGB/T 33959-2017
PublishedStainless steel bars for the reinforcement of concrete
- Issued
- 2017-07-12
- Effective
- 2018-04-01
GB/T 19155-2017
PublishedGB/T 33873-2017
PublishedTesting method of energy efficiency for hot aging test oven
- Issued
- 2017-07-12
- Effective
- 2018-02-01
GB/T 272-2017
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