Illumination arrangement for photographic enlargers,申请号US19440537412-传众专利搜索

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发明名称	Illumination arrangement for photographic enlargers
摘要
申请公布号	US2415635(A)	申请公布日期	1947.02.11
申请号	US19440537412	申请日期	1944.05.26
申请人	EASTMAN KODAK COMPANY	发明人	HOPKINS ROY S.
分类号	G03B27/54	主分类号	G03B27/54
代理机构		代理人
主权项
地址

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