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发明名称
APPARATUS FOR SETTING SEALING MEMBER IN HOLE
摘要
申请公布号
SU1216328(A1)
申请公布日期
1986.03.07
申请号
SU19843710324
申请日期
1984.01.06
申请人
VNI PK I GEOFIZICHESKIKH METODOV ISSLEDOVANIJ,ôCüÕTAHôù ô KOHTPOóù HE´TE×A³OPA³BE¯OÚHÕX CKBAÖôH
发明人
BRODSKIJ PETR A,SU;ISYAKAEV VENER A,SU;STOVBUR GEORGIJ D,SU
分类号
E21B33/12;E21B23/04;(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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