PROCEDIMIENTO Y DISPOSITIVO PARA PROFUNDIZAR LAS PERFORA- CIONES.,申请号ES19490003418-传众专利搜索

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发明名称	PROCEDIMIENTO Y DISPOSITIVO PARA PROFUNDIZAR LAS PERFORA- CIONES.
摘要
申请公布号	ES341849(A1)	申请公布日期	1968.07.16
申请号	ES19490003418	申请日期	1967.05.16
申请人	MASCHINEN - UND BOHRGERATE - FABRIK ALFRED WIRTH	发明人
分类号	E02D17/13;(IPC1-7):E02D/	主分类号	E02D17/13
代理机构		代理人
主权项
地址

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