Устройство для сравнения фокусных отрезков объективов,申请号SU19440333430-传众专利搜索

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发明名称	Устройство для сравнения фокусных отрезков объективов
摘要
申请公布号	SU65652(A1)	申请公布日期	1945.11.30
申请号	SU19440333430	申请日期	1944.06.20
申请人	YUDIN E.F.	发明人	YUDIN E.F.
分类号	G01M11/02	主分类号	G01M11/02
代理机构		代理人
主权项
地址

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