ROOF VENTILATION SYSTEM,申请号GB19900003189-传众专利搜索

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发明名称	ROOF VENTILATION SYSTEM
摘要
申请公布号	GB9003189(D0)	申请公布日期	1990.04.11
申请号	GB19900003189	申请日期	1990.02.13
申请人	SOFFIT VENTILATORS LIMITED	发明人
分类号	E04D13/17;F24F7/02	主分类号	E04D13/17
代理机构		代理人
主权项
地址

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