Copyholder for document photographing cameras,申请号US19400350504-传众专利搜索

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发明名称	Copyholder for document photographing cameras
摘要
申请公布号	US2282768(A)	申请公布日期	1942.05.12
申请号	US19400350504	申请日期	1940.08.03
申请人	REMINGTON RAND INC.	发明人	PICKETT FRANK M.
分类号	G03B27/62	主分类号	G03B27/62
代理机构		代理人
主权项
地址

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