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发明名称
APPARATUS FOR INVESTIGATING BOREHOLES
摘要
申请公布号
SU1219794(A1)
申请公布日期
1986.03.23
申请号
SU19843780844
申请日期
1984.06.20
申请人
VNI PK I PO VZRYVNYM METODAM GEOFIZICHESKOJ RAZVEDKI
发明人
FELDMAN IOSIF I,SU;MAZUROV VYACHESLAV I,SU;LEVIN EVGENIJ A,SU;DANCHUK VIKTOR V,SU
分类号
E21B47/00;(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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