Binocular viewing apparatus for microfilms and like transparencies,申请号GB19450010154-传众专利搜索

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发明名称	Binocular viewing apparatus for microfilms and like transparencies
摘要
申请公布号	GB626447(A)	申请公布日期	1949.07.15
申请号	GB19450010154	申请日期	1945.04.23
申请人	MAURICE EMILE BERNARD	发明人
分类号	G02B27/22	主分类号	G02B27/22
代理机构		代理人
主权项
地址

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