AIR VENT UNIT FOR ROOM VENTILATION,申请号GB19740039206-传众专利搜索

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发明名称	AIR VENT UNIT FOR ROOM VENTILATION
摘要
申请公布号	GB1486828(A)	申请公布日期	1977.09.28
申请号	GB19740039206	申请日期	1974.09.09
申请人	HESS & CIE	发明人
分类号	F24F13/15;E04B9/02;F24F13/06;F24F13/072;(IPC1-7):F24F13/06;F24F11/00	主分类号	F24F13/15
代理机构		代理人
主权项
地址

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