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发明名称
METHOD OF CHECKING THE STATE OF CASINGS
摘要
申请公布号
SU1232789(A1)
申请公布日期
1986.05.23
申请号
SU19843826123
申请日期
1984.12.11
申请人
VNI PK I GEOFIZICHESKIKH METODOV ISSLEDOVANIJ,ôCüÕTAHôù ô KOHTPOóù HE´TE×A³OPA³BE¯OÚHÕX CKBAÖôH
发明人
NECHAEV BORIS L,SU;VALYAEV VLADISLAV A,SU
分类号
E21B47/00;E21B47/08;(IPC1-7):E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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