Film identifying means for photographic camera film holders,申请号US19490132913-传众专利搜索

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发明名称	Film identifying means for photographic camera film holders
摘要
申请公布号	US2552905(A)	申请公布日期	1951.05.15
申请号	US19490132913	申请日期	1949.12.14
申请人	GRAFLEX, INC.	发明人	PANCSIAN JAMES S.
分类号	G03B17/26	主分类号	G03B17/26
代理机构		代理人
主权项
地址

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