Optical system having multiple foci and a single source of light,申请号US19320645107-传众专利搜索

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发明名称	Optical system having multiple foci and a single source of light
摘要
申请公布号	US1986065(A)	申请公布日期	1935.01.01
申请号	US19320645107	申请日期	1932.11.30
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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