ONORM EN 29202-1993 Jewellery - Fineness of precious metal alloys (ISO 9202 1991)《珠宝首饰 贵金属合金的纯度(ISO 9202-1991)》.pdf

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DB12 T 817-2018 贵金属及珠宝首饰设计加工服务规范.pdf

STAS SR EN 29202-1995 Jewellery Fineness of precious metal alloys《珠宝首饰．贵重金属合金的优点》.pdf

STAS SR EN 28653-1995 Jewellery Rings-sizes Definition measurement and designation《珠宝首饰．环形尺寸定义，测量和命名》.pdf

ASTM F2999-2014 Standard Consumer Safety Specification for Adult Jewelry《成人珠宝首饰的标准消费者安全规格》.pdf

CSN EN 29202-1994 Jewellery Fineness of precious metal alloys (ISO 9202 1991)《珠宝首饰 贵金属合金的纯度（ISO 9202－1991）》.pdf

ONORM EN 28653-1993 Jewellery- Ring-sizes - Definition measurement and designation (ISO 8653 1986)《珠宝首饰 指环 尺寸 定义、测量和命名(ISO 8653－1986)》.pdf

CSN ON 70 9413-1963 《假珠宝首饰 规格》.pdf

JIS S 4700-1998 Jewellery -- Ring-sizes -- Definition measurement and designation《珠宝首饰 戒指规格 定义、测量和标识》.pdf

DB50 T 360-2019 珠宝首饰 标识.pdf

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