Improvements in or relating to optical systems,申请号GB19340025551-传众专利搜索

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发明名称	Improvements in or relating to optical systems
摘要
申请公布号	GB440577(A)	申请公布日期	1936.01.02
申请号	GB19340025551	申请日期	1934.09.05
申请人	JOHN LOGIE BAIRD;BAIRD TELEVISION LIMITED	发明人
分类号	G03B41/04	主分类号	G03B41/04
代理机构		代理人
主权项
地址

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