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发明名称
COUPLING-LOCATING DEVICE
摘要
申请公布号
SU827765(A1)
申请公布日期
1981.05.07
申请号
SU19792788087
申请日期
1979.06.28
申请人
VNII NEFTEPROMYSLOVOJ GEOFIZIKI
发明人
PARFENOV ANATOLIJ I,SU;GAJNANSHIN ALMAS G,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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