Used-film signal for motion-picture cameras,申请号US19460640956-传众专利搜索

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发明名称	Used-film signal for motion-picture cameras
摘要
申请公布号	US2482745(A)	申请公布日期	1949.09.27
申请号	US19460640956	申请日期	1946.01.12
申请人	AMPRO CORPORATION	发明人	CISSKI IRVING;SHAPIRO ABRAM
分类号	G03B21/43	主分类号	G03B21/43
代理机构		代理人
主权项
地址

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