Photographic enlarger or projection printer,申请号US19400352377-传众专利搜索

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发明名称	Photographic enlarger or projection printer
摘要
申请公布号	US2294585(A)	申请公布日期	1942.09.01
申请号	US19400352377	申请日期	1940.08.13
申请人	THE FOLMER GRAFLEX CORPORATION	发明人	THOMSON JOHN P.
分类号	G03B27/32	主分类号	G03B27/32
代理机构		代理人
主权项
地址

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