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发明名称
FOCUSING SERVO DEVICE AND OPTICAL RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPH1153740(A)
申请公布日期
1999.02.26
申请号
JP19970206503
申请日期
1997.07.31
申请人
SONY CORP
发明人
YAMADA TSUTOMU
分类号
G11B7/085;(IPC1-7):G11B7/085
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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