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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 5231-2022 |
Designation and chemical composition of wrought copper and copper alloys 加工铜及铜合金牌号和化学成分 |
China National Standards Designation chemical composition |
 English PDF |
| GB/T 5235-2021 |
Designation and chemical composition of wrought nickel and nickel alloy 加工镍及镍合金牌号和化学成分 |
China National Standards Designation chemical composition |
English PDF |
| GB/T 5231-2012 |
Designation and chemical composition of wrought copper and copper alloys 加工铜及铜合金牌号和化学成分 |
China National Standards Designation chemical composition |
English PDF |
| GB/T 20878-2007 |
Stainless and heat-resisting steels - Designation and chemical composition 不锈钢和耐热钢 牌号及化学成分 |
China National Standards Designation chemical composition |
English PDF |
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