SISTEMA DE TRAMOS PREFABRICADOS, CON UNION ESTANCA, PARA LACONSTRUCCION DE POZOS DE ACCESO A GALERIAS SUBTERRANEAS.,申请号ES19430003763-传众专利搜索

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发明名称	SISTEMA DE TRAMOS PREFABRICADOS, CON UNION ESTANCA, PARA LACONSTRUCCION DE POZOS DE ACCESO A GALERIAS SUBTERRANEAS.
摘要
申请公布号	ES376343(A1)	申请公布日期	1972.07.01
申请号	ES19430003763	申请日期	1970.02.07
申请人	COLOMER RIBOT	发明人
分类号	E04F;E21D;(IPC1-7):04F/;21D/	主分类号	E04F
代理机构		代理人
主权项
地址

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