Photographic printing easel,申请号US19570680962-传众专利搜索

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发明名称	Photographic printing easel
摘要
申请公布号	US2955511(A)	申请公布日期	1960.10.11
申请号	US19570680962	申请日期	1957.08.29
申请人	ERNST LEITZ, G.M.B.H.	发明人	LUZ CHRISTIAN
分类号	G03B27/58	主分类号	G03B27/58
代理机构		代理人
主权项
地址

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