Sensing negative and positive photo records,申请号US19540478582-传众专利搜索

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发明名称	Sensing negative and positive photo records
摘要
申请公布号	US2933245(A)	申请公布日期	1960.04.19
申请号	US19540478582	申请日期	1954.12.30
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	FITCH CLYDE J.;JR. EDMUND A. BARBER,
分类号		主分类号
代理机构		代理人
主权项
地址

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