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经营范围
发明名称
Data readout method, data readout device, and optical disk
摘要
申请公布号
EP1884939(B1)
申请公布日期
2009.07.01
申请号
EP20070252918
申请日期
2007.07.24
申请人
RICOH COMPANY, LTD.
发明人
YOKOI, KENYA;KASAHARA, RYOSUKE
分类号
G11B7/005;G11B7/125
主分类号
G11B7/005
代理机构
代理人
主权项
地址
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