T/GAC 8-2019 Enamel precious metal jewelry
T/GAC 8-2019 Enamel precious metal jewelry
Basic Information
Scope
Scope: This standard specifies the terms and definitions, classification, requirements, inspection methods, inspection rules, marking, packaging, transportation, and storage of enamel precious metal jewelry. This standard applies to jewelry made from enamel and precious metals. Other crafts made from enamel and precious metals or their alloys may refer to this standard for implementation. Main technical content: This standard specifies the terms and definitions, classification, requirements, inspection methods, inspection rules, marking, packaging, transportation, and storage of enamel precious metal jewelry. This standard applies to jewelry made from enamel and precious metals. Other crafts made from enamel and precious metals or their alloys may refer to this standard for implementation.