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发明名称
DRILLING MACHINE
摘要
申请公布号
JPS60119893(A)
申请公布日期
1985.06.27
申请号
JP19830226123
申请日期
1983.11.30
申请人
FURUKAWA KOGYO KK
发明人
ITOU MASAYOSHI
分类号
E21B7/02;E21B15/00;E21B19/08
主分类号
E21B7/02
代理机构
代理人
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