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一种对盾构隧道掘进机滚刀刀圈进行表面激光合金化处理的方法

Release Time:2019-10-20  Hits:

First Author: 王存山

Disigner of the Invention: Lin Guoqiang,韩程旭,韩立影

Application Number: CN201710195596.9

Authorization Date: 2017-03-29

Authorization Number: CN106929844A

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