PERFECTIONNEMENTS APPORTES A DES OUTILS A VIBRATIONS, NOTAMMENT POUR FORER LE SOL,申请号FR19760021248-传众专利搜索

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发明名称	PERFECTIONNEMENTS APPORTES A DES OUTILS A VIBRATIONS, NOTAMMENT POUR FORER LE SOL
摘要
申请公布号	FR2317054(A1)	申请公布日期	1977.02.04
申请号	FR19760021248	申请日期	1976.07.12
申请人	POST OFFICE	发明人
分类号	B25D11/04;B25D15/00;B25D17/04;B25D17/24;E02D3/046;E04G21/08;E21B7/24;F16F15/06;(IPC1-7):B25G3/00;E02F5/16;F16F15/04	主分类号	B25D11/04
代理机构		代理人
主权项
地址

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