Optical system for photography and projection,申请号US19390286369-传众专利搜索

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发明名称	Optical system for photography and projection
摘要
申请公布号	US2251177(A)	申请公布日期	1941.07.29
申请号	US19390286369	申请日期	1939.07.25
申请人	THOMASCOLOR CORPORATION	发明人	THOMAS RICHARD
分类号	G02B27/10	主分类号	G02B27/10
代理机构		代理人
主权项
地址

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