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发明名称
APPARATUS FOR FORMING WELLS
摘要
申请公布号
SU1071730(A1)
申请公布日期
1984.02.07
申请号
SU19823511130
申请日期
1982.11.09
申请人
KT BYURO S O PROIZV PRI I STROITELSTVA ARKHITEKTURY GOSSTROYA BSSSR
发明人
BEZVERKHIJ VYACHESLAV M,SU;SHATILO BORIS N,SU;KOROLEV VALENTIN I,SU;NABOKOV ILYA M,SU
分类号
E21B7/24;(IPC1-7):E21B7/24
主分类号
E21B7/24
代理机构
代理人
主权项
地址
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