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发明名称
DRILLING MOTORS FOR SUBTERRANEAN WORK COMPRISING AXIAL IRRIGATED THRUST BEARINGS
摘要
申请公布号
CA625081(A)
申请公布日期
1961.08.08
申请号
CAD625081
申请日期
申请人
JEAN CHARE;WLADIMIR TIRASPOLSKY;ROGER F. ROUVIERE
发明人
JEAN CHARE;ROGER F. ROUVIERE;WLADIMIR TIRASPOLSKY
分类号
主分类号
代理机构
代理人
主权项
地址
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