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发明名称
APPARATUS FORMING EXPANDED PORTIONS FOR CAST-IN-PLACE PILES
摘要
申请公布号
SU953175(A1)
申请公布日期
1982.08.23
申请号
SU19813236406
申请日期
1981.01.13
申请人
KT BYURO S O PROIZV PRI I STROITELSTVA ARKHITEKTURY GOSSTROYA BSSR
发明人
BEZVERKHIJ VYACHESLAV M,SU;PODOKSIK DMITRIJ Z,SU
分类号
E21B7/30;E21B7/28;(IPC1-7):E21B7/28
主分类号
E21B7/30
代理机构
代理人
主权项
地址
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