Jewellery—Fineness of precious metal alloys and designation
MOD ISO 9202:1991(E)
全国首饰标准化技术委员会(SAC/TC 256)
本标准规定了首饰中贵金属的纯度范围1）、印记、测定方法和贵金属首饰的命名方法。
本标准适用于首饰行业和国内生产及销售的贵金属首饰。贵金属摆件参照执行。
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