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发明名称
ANCHORING DEVICE FOR GUIDE OF BORING MACHINE
摘要
申请公布号
JPH0782981(A)
申请公布日期
1995.03.28
申请号
JP19930252288
申请日期
1993.09.14
申请人
OKUMURA CORP
发明人
MASUMOTO TADASHI
分类号
E21B7/02;E21B15/00;E21B19/08;(IPC1-7):E21C11/00
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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