Perfectionnement aux accouplements pour turbines de forage,申请号FR19603804246-传众专利搜索

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发明名称	Perfectionnement aux accouplements pour turbines de forage
摘要
申请公布号	FR1265344(A)	申请公布日期	1961.06.30
申请号	FR19603804246	申请日期	1960.05.20
申请人	ETABLISSEMENTS NEYRPIC	发明人
分类号	E21B4/02	主分类号	E21B4/02
代理机构		代理人
主权项
地址

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