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齿轮定量冷精挤加工方法

Release Time:2022-10-19  Hits:

First Author: 贾振元

Disigner of the Invention: Dongming Guo,纪洪军,孙宝元,王铿,钱敏,杨玉民,赵福令

Institution: 机械工程学院

Application Number: CN1281760

Authorization Number: CN99111820.0

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