A system for artificially lighting rooms while preventing the passage of light rays from the room,申请号GB19370003937-传众专利搜索

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发明名称	A system for artificially lighting rooms while preventing the passage of light rays from the room
摘要
申请公布号	GB481460(A)	申请公布日期	1938.03.11
申请号	GB19370003937	申请日期	1937.02.10
申请人	AXEL VIGO BLOM;HANS SCHNYDER	发明人
分类号	F21V9/08;F21V14/08	主分类号	F21V9/08
代理机构		代理人
主权项
地址

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