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Precious Metal Measurement Tolerances
Precious Metal Measurement Tolerances, Total:3 items.
In the international standard classification, Precious Metal Measurement Tolerances involves: Jewellery.
Professional Standard - Light Industry, Precious Metal Measurement Tolerances
- QB/T 1690-2004 Provision of permissible errors for measurement of precious metals adornment mass
工业和信息化部, Precious Metal Measurement Tolerances
- QB/T 1690-2021 Regulations on tolerances for quality measurement of precious metal jewelry
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Precious Metal Measurement Tolerances
- GB/T 36128-2018 Regulation of mass measurement permissible errors for jewelry and precious metal product