Apparatus for producing a varying light or illumination,申请号US19270224712-传众专利搜索

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发明名称	Apparatus for producing a varying light or illumination
摘要
申请公布号	US1800044(A)	申请公布日期	1931.04.07
申请号	US19270224712	申请日期	1927.10.07
申请人	TELEVISION LIMITED	发明人	BAIRD JOHN LOGIE
分类号	F21V11/00;G09F13/30	主分类号	F21V11/00
代理机构		代理人
主权项
地址

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