Sharp focusing device for optical instruments,申请号US19550487937-传众专利搜索

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发明名称	Sharp focusing device for optical instruments
摘要
申请公布号	US2851919(A)	申请公布日期	1958.09.16
申请号	US19550487937	申请日期	1955.02.14
申请人	MEOPTA, NARODNI PODNIK	发明人	NESVADBA EMIL
分类号	G02B27/40;G03B27/62	主分类号	G02B27/40
代理机构		代理人
主权项
地址

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