SS EN 28654 Ed. 1 标准详情
- 标准号:SS EN 28654 Ed. 1
- 中文标题:颜色金合金 - 定义,颜色和指定范围
- 英文标题:Colours Of Gold Alloys - Definition, Range Of Colours And Designation
- 标准类别:新加坡SS
- 发布日期:
Specifies a limited number of colours of gold alloys. Applies to jewellery, and to watch cases and accessories with gold alloy coverings or watch cases and accessories made of gold alloys. Coverage includes measurement method and colour slips.
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