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可伸缩多刃扩挖滚刀分区切削刀盘的设计方法

Release Time:2019-03-09  Hits:

First Author: Junzhou Huo

Disigner of the Invention: 杨静,孙伟

Application Number: CN201310285359.3

Authorization Date: 2013-07-08

Authorization Number: CN103343693A

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