ANSI/ASTM B413-1996 标准详情
- 标准号:ANSI/ASTM B413-1996
- 中文标题:精炼银规范
- 英文标题:Specification for Refined Silver
- 标准类别:美国国家ANSI
- 发布日期:1996
This specification covers refined silver in cast bar form in three grades as follows: Grade 99.90 (UNS P07020)-Silver having a minimum fineness of 999.0 commonly referred to as "commercial bar" or "bullion." Grade 99.95 (UNS P07015)-Silver havin
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