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发明名称
OBJECTIVE LENS FOR OPTICAL INFORMATION RECORDING MEDIA
摘要
申请公布号
EP1571478(A4)
申请公布日期
2007.09.19
申请号
EP20030780699
申请日期
2003.12.10
申请人
ASAHI GLASS COMPANY LTD.
发明人
SEKINE, MINORU
分类号
G02B3/00;G02B3/02;G02B13/00;G02B13/18;G03B5/02;G03B17/04;G11B7/00;G11B7/135;(IPC1-7):G02B13/00
主分类号
G02B3/00
代理机构
代理人
主权项
地址
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