Control for photographic copying apparatus,申请号US19500184079-传众专利搜索

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发明名称	Control for photographic copying apparatus
摘要
申请公布号	US2664782(A)	申请公布日期	1954.01.05
申请号	US19500184079	申请日期	1950.09.09
申请人	BELL & HOWELL COMPANY	发明人	WENINGER FRANK L.
分类号	G03B27/50	主分类号	G03B27/50
代理机构		代理人
主权项
地址

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