DISPOSITIVO PARA FAVORECER LA SALIDA DE GASES EN CONDUCTOS DE EVACUACION.,申请号ES19180002704U-传众专利搜索

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发明名称	DISPOSITIVO PARA FAVORECER LA SALIDA DE GASES EN CONDUCTOS DE EVACUACION.
摘要
申请公布号	ES270418(Y)	申请公布日期	1984.02.16
申请号	ES19180002704U	申请日期	1983.02.18
申请人		发明人
分类号	E04F17/02;E04F17/04;(IPC1-7):04F17/02	主分类号	E04F17/02
代理机构		代理人
主权项
地址

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