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经营范围
发明名称
Lens, optical head, optical information writing/reading apparatus and optical information recording medium writing/reading method
摘要
申请公布号
EP1515319(B1)
申请公布日期
2008.07.23
申请号
EP20040028156
申请日期
2000.10.05
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
HAYASHI, HIDEKI;MIZUNO, SADAO
分类号
G11B7/00;G11B7/135
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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