Improvements in louvre windows or ventilators,申请号GB19440021639-传众专利搜索

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发明名称	Improvements in louvre windows or ventilators
摘要
申请公布号	GB583577(A)	申请公布日期	1946.12.20
申请号	GB19440021639	申请日期	1944.11.04
申请人	PETER KENELM HILTON;NORMAN WEBB	发明人
分类号	F24F13/15	主分类号	F24F13/15
代理机构		代理人
主权项
地址

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