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发明名称
DRILLING MACHINE
摘要
申请公布号
JPH1077776(A)
申请公布日期
1998.03.24
申请号
JP19960250848
申请日期
1996.09.03
申请人
IKEHATA:KK
发明人
IKEHATA TAKAMICHI
分类号
E21B7/00;E21B15/00;E21B19/02;(IPC1-7):E21B15/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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