Optical system for nonintermittent film projectors,申请号US19500202884-传众专利搜索

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发明名称	Optical system for nonintermittent film projectors
摘要
申请公布号	US2666357(A)	申请公布日期	1954.01.19
申请号	US19500202884	申请日期	1950.12.27
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	GRAHAM ROBERT E.;MATTKE CHARLES F.
分类号	G03B41/06	主分类号	G03B41/06
代理机构		代理人
主权项
地址

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