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发明名称
TRENCHING TOOL ASSEMBLY WITH DUAL INDEXING CAPABILITY.
摘要
申请公布号
EP0454729(B1)
申请公布日期
1995.02.01
申请号
EP19900901992
申请日期
1989.11.28
申请人
KENNAMETAL INC.
发明人
BEACH, WAYNE, H.;SHIRK, STEPHEN, D.
分类号
E02F9/28;E21C35/18;E21C35/193;(IPC1-7):E21C35/18
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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