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发明名称
COUPLING LOCATOR
摘要
申请公布号
SU605946(A1)
申请公布日期
1978.05.05
申请号
SU19752173933
申请日期
1975.09.22
申请人
YUZHNOE MORSKOE N-PROIZV GEOLOGO-GEOFIZICHESKOE OB "YUZHMORGEO"
发明人
BOJCHEVSKIJ VLADIMIR A,SU
分类号
E21B47/00;E21B47/13;(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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