Automatic slide projector,申请号US19450601466-传众专利搜索

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发明名称	Automatic slide projector
摘要
申请公布号	US2503239(A)	申请公布日期	1950.04.11
申请号	US19450601466	申请日期	1945.06.25
申请人	JAMES D. BENBOW	发明人	ANTOS JOSEPH
分类号	G03B23/04	主分类号	G03B23/04
代理机构		代理人
主权项
地址

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