Display apparatus and optical system,申请号US19330677842-传众专利搜索

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发明名称	Display apparatus and optical system
摘要
申请公布号	US2042815(A)	申请公布日期	1936.06.02
申请号	US19330677842	申请日期	1933.06.27
申请人	LESTER HOFHEIMER	发明人	WHITE HENRY
分类号	G02B15/14;G09F19/18	主分类号	G02B15/14
代理机构		代理人
主权项
地址

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