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经营范围
发明名称
Wobble detection circuit and optical disk apparatus
摘要
申请公布号
EP1376552(B1)
申请公布日期
2006.03.15
申请号
EP20030077803
申请日期
2002.03.20
申请人
RICOH COMPANY, LTD.
发明人
MAEGAWA, HIROSHI
分类号
G11B7/005;G11B7/00;G11B7/007;G11B7/09;G11B20/10;G11B27/19;G11B27/24
主分类号
G11B7/005
代理机构
代理人
主权项
地址
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