Roof ridge louver ventilator,申请号US19550484314-传众专利搜索

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发明名称	Roof ridge louver ventilator
摘要
申请公布号	US2799214(A)	申请公布日期	1957.07.16
申请号	US19550484314	申请日期	1955.03.15
申请人	ROOSE CLARENCE C	发明人	ROOSE CLARENCE C.
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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