Приспособление для рассматривания объектов наблюдения под увеличением,申请号SU19470350837-传众专利搜索

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发明名称	Приспособление для рассматривания объектов наблюдения под увеличением
摘要
申请公布号	SU72974(A1)	申请公布日期	1947.11.30
申请号	SU19470350837	申请日期	1947.01.10
申请人	ARTYUKHOV P.I.	发明人	ARTYUKHOV P.I.
分类号	G02B21/34	主分类号	G02B21/34
代理机构		代理人
主权项
地址

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