Régulation automatique du taux de pénétration de l'appareil perforateur des perforatrices hydrauliques,申请号FR19620904593-传众专利搜索

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发明名称	Régulation automatique du taux de pénétration de l'appareil perforateur des perforatrices hydrauliques
摘要
申请公布号	FR1329861(A)	申请公布日期	1963.06.14
申请号	FR19620904593	申请日期	1962.07.20
申请人	ATLAS COPCO AKTIEBOLAG	发明人
分类号	E21B19/084	主分类号	E21B19/084
代理机构		代理人
主权项
地址

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