View finder for folding cameras,申请号US19370154853-传众专利搜索

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发明名称	View finder for folding cameras
摘要
申请公布号	US2168977(A)	申请公布日期	1939.08.08
申请号	US19370154853	申请日期	1937.07.21
申请人	EASTMAN KODAK COMPANY	发明人	CRUMRINE CHESTER W.
分类号	G03B13/02	主分类号	G03B13/02
代理机构		代理人
主权项
地址

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