BS EN 29202-1993 标准详情
- 标准号:BS EN 29202-1993
- 中文标题:珠宝.贵重金属合金纯度
- 英文标题:Jewellery - Fineness of precious metal alloys
- 标准类别:英国标准
- 发布日期:1993-02-15
This International Standard specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery.NOTE 1 National legal requirements for the designation, marking and stamping of finished articles in
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