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发明名称
DEVICE FOR ELECTROHYDRAULIC DRILLING
摘要
申请公布号
SU534166(A1)
申请公布日期
1978.10.30
申请号
SU19752304662
申请日期
1975.12.29
申请人
UK NII PRIRODNYKH GAZOV
发明人
MUKHA A.G.,SU;SOLOVEV G.V.,SU
分类号
E21B7/18;E21C37/18;(IPC1-7):E21B7/18
主分类号
E21B7/18
代理机构
代理人
主权项
地址
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