Chinese Standards Library
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GB/T 7739.1-2019
PublishedMethods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents
- Issued
- 2019-12-31
- Effective
- 2020-11-01
GB/T 38392-2019
PublishedMetallurgical equipment—Couplings—Test methods,inspecting rules and accptance codes
- Issued
- 2019-12-31
- Effective
- 2020-07-01
GB/T 38384-2019
PublishedGB/T 38439-2019
PublishedMeasuring specifications for methods to obtrusive light of outdoor lighting
- Issued
- 2019-12-31
- Effective
- 2020-04-01
GB 38450-2019
Published- Issued
- 2019-12-31
- Effective
- 2021-01-01
GB 28378-2019
PublishedMinimum allowable values of water efficiency and water efficiency grades for showers
- Issued
- 2019-12-31
- Effective
- 2021-01-01
GB 30717-2019
PublishedMinimum allowable values of water efficiency and water efficiency grades for squatting pans
- Issued
- 2019-12-31
- Effective
- 2021-01-01
GB/T 38401-2019
PublishedLeather and fur—Chemical tests—Determination of dimethyl formamide content
- Issued
- 2019-12-31
- Effective
- 2020-07-01
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