Film projector indexing means,申请号US19560590024-传众专利搜索

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发明名称	Film projector indexing means
摘要
申请公布号	US2861497(A)	申请公布日期	1958.11.25
申请号	US19560590024	申请日期	1956.06.07
申请人	VIEWLEX, INC.	发明人	POLLAN DAVID
分类号	G03B1/50	主分类号	G03B1/50
代理机构		代理人
主权项
地址

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