High magnification projection system,申请号US19480053816-传众专利搜索

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法人/股东/高管

发明名称	High magnification projection system
摘要
申请公布号	US2510419(A)	申请公布日期	1950.06.06
申请号	US19480053816	申请日期	1948.10.11
申请人	HARROLD M. CUSTER	发明人	ROSS FRANK E.
分类号	G03B21/10	主分类号	G03B21/10
代理机构		代理人
主权项
地址

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