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发明名称
APPARATUS FOR CLOSING-OFF BOREHOLE
摘要
申请公布号
SU968337(A1)
申请公布日期
1982.10.23
申请号
SU19802987357
申请日期
1980.09.17
申请人
SEVERO-KAVKAZSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
GERTSEN IVAN P,SU;REPIN SEMEN S,SU;VARLAMOV PETR S,SU;ISAEV GEORGIJ A,SU;SHVYDKO ALEKSANDR I,SU;OKSIMETS YURIJ A,SU
分类号
E21B34/06;(IPC1-7):E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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