DISPOSICION PERFECCIONADA EN REJILLAS DE VENTILACION.,申请号ES19880002279U-传众专利搜索

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发明名称	DISPOSICION PERFECCIONADA EN REJILLAS DE VENTILACION.
摘要
申请公布号	ES227988(Y)	申请公布日期	1977.11.16
申请号	ES19880002279U	申请日期	1977.04.21
申请人		发明人
分类号	F24F;(IPC1-7):24F/	主分类号	F24F
代理机构		代理人
主权项
地址

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