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发明名称
DEVICE FOR INVESTIGATING AND TESTING FORMATIONS
摘要
申请公布号
SU1406360(A2)
申请公布日期
1988.06.30
申请号
SU19864137576
申请日期
1986.10.22
申请人
VNI PK I GEOFIZICHESKIKH METODOV ISSLEDOVANIJ, ôCüÕTAHôù ô KOHTPOóù HE´TE×A³OPA³BE¯OÚHÕX CKBAÖôH
发明人
ULYANOV VLADIMIR V,SU
分类号
E21B49/10
主分类号
E21B49/10
代理机构
代理人
主权项
地址
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