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发明名称
DEVICE FOR CONNECTING AND DISCONNECTING PIPE COLUMN TO/FROM WELL EQUIPMENT
摘要
申请公布号
SU609869(A1)
申请公布日期
1978.06.05
申请号
SU19721789834
申请日期
1972.05.30
申请人
TATARSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
PAPULOVSKIJ ANATOLIJ M,SU;MAKSUTOV RAFKHAT A,SU;DOBROSKOK BORIS E,SU
分类号
E21B33/12;(IPC1-7):E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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