MECANISMO POSICIONADOR DE TALADRO PARA ROCA,MEJORADO,申请号MX19790007820U-传众专利搜索

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发明名称	MECANISMO POSICIONADOR DE TALADRO PARA ROCA,MEJORADO
摘要
申请公布号	MX6287(E)	申请公布日期	1985.03.18
申请号	MX19790007820U	申请日期	1979.03.20
申请人	COOPER INDUSTRIES, INC.	发明人	JAMES R. MAYER
分类号	E21B19/24;E21B7/02;E21B15/00;E21B15/04;E21B19/08;(IPC1-7):E21C1/00;B25D17/28	主分类号	E21B19/24
代理机构		代理人
主权项
地址

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