GB/T 38821-2020
Hetian Yu—Testing and classification
- Standard No.
- GB/T 38821-2020
- Language
- Chinese
- Release Date
- 2020
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Lastest
- GB/T 38821-2020
- Scope
- This standard specifies the terms and definitions, identification, classification, naming rules and basic content of identification certificates of Hetian jade. This standard applies to the identification and classification of Hetian jade raw materials and finished products.
GB/T 38821-2020 Referenced Document
- GB/T 16552 Gems—Nomenclature
- GB/T 16553 Gems—Testing
GB/T 38821-2020 history
- 2020 GB/T 38821-2020 Hetian Yu—Testing and classification