APARATO PARA DETERMINAR EL PERFIL DE UN CORTE DE ABERTURA,PARTICULARMENTE EN TUNELES,申请号AR19800279666-传众专利搜索

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发明名称	APARATO PARA DETERMINAR EL PERFIL DE UN CORTE DE ABERTURA,PARTICULARMENTE EN TUNELES
摘要
申请公布号	AR220437(A1)	申请公布日期	1980.10.31
申请号	AR19800279666	申请日期	1980.01.17
申请人	DOSCO OVERSEAS ENG LTD	发明人
分类号	E21D9/00;E21D9/10;(IPC1-7):E01G1/00	主分类号	E21D9/00
代理机构		代理人
主权项
地址

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