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| 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 Method metallographic examination |
 English PDF |
| HG/T 3174-2002 |
Fabrication and inspection method for High pressure urea equipment selective corrosion and metallographic examination on the urea grade extra low carbon Cr-Ni-Mo austenitic stainless steel 尿素高压设备制造检验方法.尿素级超低碳铬镍钼奥氏体不锈钢的选择性腐蚀检查和金相检查 |
China Chemical Industry
Standards Method metallographic examination |
English PDF |
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