T/GBZ 003-2021
Hetianyu (ziliao) Testing and classification (English Version)
- Standard No.
- T/GBZ 003-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Lastest
- T/GBZ 003-2021
- Scope
- This standard specifies the terms and definitions, classification, identification methods and naming rules of Hetian jade (sub-material).
T/GBZ 003-2021 history
- 2021 T/GBZ 003-2021 Hetianyu (ziliao) Testing and classification