Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 31309-2020 |
Calculation of electron vacancy number in cast superalloys 铸造高温合金电子空位数计算方法 |
China National Standards vacancy |
English PDF |
GB/T 31309-2014 |
Calculation of electoron vacancy number in nickel-base superalloys 镍基高温合金电子空位数计算方法 |
China National Standards vacancy |
English PDF |
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