DISPOSITIVO DE AVANCE MECáNICO PARA PERFORADORAS,申请号ES19230001880-传众专利搜索

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发明名称	DISPOSITIVO DE AVANCE MECáNICO PARA PERFORADORAS
摘要
申请公布号	ES188023(A1)	申请公布日期	1949.06.16
申请号	ES19230001880	申请日期	1949.04.29
申请人	CONSTRUCTIONS ELECTRO-MECANIQUES DE SAINT.ETIENNE(ANCIENNE USINE WAGEOR)	发明人
分类号	(IPC1-7):E21	主分类号	(IPC1-7):E21
代理机构		代理人
主权项
地址

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