T/QGCML 646-2023
High hardness gold watch (English Version)

Standard No.
T/QGCML 646-2023
Language
Chinese, Available in English version
Release Date
2023
Published By
Group Standards of the People's Republic of China
Latest
T/QGCML 646-2023
Scope
This standard specifies the terms and definitions of high-hardness gold watches, purity expression methods and content ranges, design standards, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to high-hardness gold watches with a gold content of not less than 999‰.

T/QGCML 646-2023 history




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