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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 20509-2023 |
Copper and copper alloy wire blanks for electric locomotive contact materials {译} 电力机车接触材料用铜及铜合金线坯 |
China National Standards Copper alloy blank |
 English PDF |
| GB/T 15530.7-1995 |
Copper alloy blank flanges 铜合金法兰盖 |
China National Standards Copper alloy blank |
English PDF |
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