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经营范围
发明名称
DRILLING MACHINE
摘要
申请公布号
SU1229332(A1)
申请公布日期
1986.05.07
申请号
SU19833703420
申请日期
1983.12.26
申请人
GUMENNIKOV EVGENIJ S,SU
发明人
GUMENNIKOV EVGENIJ S,SU
分类号
E21B7/02;(IPC1-7):E21C11/02
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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