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发明名称
FITTING OF CLAW OF EXCAVATION HEAD
摘要
申请公布号
JPH05287973(A)
申请公布日期
1993.11.02
申请号
JP19910265264
申请日期
1991.09.17
申请人
JIYUUWA KOKI:KK
发明人
MURAZAKI KAZUO
分类号
E02D17/13;E02F5/02;E21B10/44;(IPC1-7):E21B10/44
主分类号
E02D17/13
代理机构
代理人
主权项
地址
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