Lentille de fresnel,申请号FR19660061014-传众专利搜索

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发明名称	Lentille de fresnel
摘要
申请公布号	FR1479691(A)	申请公布日期	1967.05.05
申请号	FR19660061014	申请日期	1966.05.10
申请人	VEB CARL ZEISS JENA	发明人
分类号	G02B3/08	主分类号	G02B3/08
代理机构		代理人
主权项
地址

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