Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
YS/T 1501-2021 |
Method for metallographic examination of cuprous oxide of copper-containing Precious metal materials{译} {译} 含铜贵金属材料氧化亚铜金相检验方法 |
China Non-ferrous Metal Industry
Standards Precious metal materials |
English PDF |
YS/T 1507-2021 |
Precious metal materials - Compression creep test method{译} {译} 贵金属材料 压缩蠕变试验方法 |
China Non-ferrous Metal Industry
Standards Precious metal materials |
English PDF |
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