UNE EN 28654-1994 标准详情
- 标准号:UNE EN 28654-1994
- 中文标题:
- 英文标题:Colors Of Gold Alloys - Definition, Range Of Colors And Designation
- 标准类别:西班牙国家标准UNE
- 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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