Dispositif d'injection de liquide, notamment pour la mise sous pression d'un étançon hydraulique,申请号FR19600847161-传众专利搜索

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发明名称	Dispositif d'injection de liquide, notamment pour la mise sous pression d'un étançon hydraulique
摘要
申请公布号	FR1276321(A)	申请公布日期	1961.11.17
申请号	FR19600847161	申请日期	1960.12.16
申请人	DOWTY MINING EQUIPMENT LIMITED	发明人
分类号	E21D15/58;E21D15/59	主分类号	E21D15/58
代理机构		代理人
主权项
地址

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