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发明名称
SINGLE LENS HAVING ONE ASPHERICAL SURFACE
摘要
申请公布号
EP0146178(B1)
申请公布日期
1989.04.12
申请号
EP19840201782
申请日期
1984.12.03
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
BRAAT, JOSEPHUS JOHANNES MARIA;SMID, ALBERT
分类号
G11B7/135;G02B13/00;G02B3/04;G02B13/18;(IPC1-7):G02B3/04
主分类号
G11B7/135
代理机构
代理人
主权项
地址
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