Improvements in and relating to optical projection apparatus,申请号GB19320028359-传众专利搜索

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发明名称	Improvements in and relating to optical projection apparatus
摘要
申请公布号	GB401871(A)	申请公布日期	1933.11.23
申请号	GB19320028359	申请日期	1932.10.11
申请人	CHARLES FAUNCE HITCHINS;CHARLES WILLIAM GODLEY GERRARD;SKY PUBLICITY LIMITED	发明人
分类号	G09F19/18	主分类号	G09F19/18
代理机构		代理人
主权项
地址

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