Slide preheating means for projectors,申请号US19620176487-传众专利搜索

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发明名称	Slide preheating means for projectors
摘要
申请公布号	US3116662(A)	申请公布日期	1964.01.07
申请号	US19620176487	申请日期	1962.02.23
申请人	BAUSCH & LOMB INCORPORATED	发明人	ROSENBERGER HAROLD E.;SCHUMA RICHARD F.
分类号	G03B21/53	主分类号	G03B21/53
代理机构		代理人
主权项
地址

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