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伸缩扩挖滚刀及水射流组合破岩刀盘设计方法

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First Author:Junzhou Huo

Disigner of the Invention:杨静,sunwei

Application Number:CN201310284935.2

Authorization Date:2013-07-08

Authorization number:CN103334764A

Pre One:可伸缩多刃扩挖滚刀分区切削刀盘的设计方法
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