Exposure control for photographic cameras,申请号US19580730741-传众专利搜索

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发明名称	Exposure control for photographic cameras
摘要
申请公布号	US2858754(A)	申请公布日期	1958.11.04
申请号	US19580730741	申请日期	1958.04.08
申请人	BELL & HOWELL COMPANY	发明人	BAGBY JOHN P.;FREELAND STANLEY R.;JR. MERVIN W. LA RUE,
分类号	G03B7/085	主分类号	G03B7/085
代理机构		代理人
主权项
地址

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