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经营范围
发明名称
A data storage apparatus that either certifies a recording medium in the background or verifies data written in the recording medium
摘要
申请公布号
EP1253590(B1)
申请公布日期
2012.09.26
申请号
EP20020252842
申请日期
2002.04.23
申请人
RICOH COMPANY, LTD.
发明人
SASAKI, YOSHIYUKI
分类号
G11B20/12;G11B20/18;G11B7/004;G11B7/0045;G11B7/0055;G11B20/10
主分类号
G11B20/12
代理机构
代理人
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地址
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