Dispositif de commande automatique pour appareils de forage,申请号FR19650034929-传众专利搜索

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发明名称	Dispositif de commande automatique pour appareils de forage
摘要
申请公布号	FR1459341(A)	申请公布日期	1966.04.29
申请号	FR19650034929	申请日期	1965.10.14
申请人	ATLAS COPCO AKTIEBOLAG	发明人
分类号	E21B44/02;F15B11/15	主分类号	E21B44/02
代理机构		代理人
主权项
地址

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