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发明名称
OPTICAL HEAD DEVICE
摘要
申请公布号
JPH09180207(A)
申请公布日期
1997.07.11
申请号
JP19960014434
申请日期
1996.01.30
申请人
RICOH CO LTD
发明人
ONO TAKEHIDE
分类号
G11B7/09;G11B7/135;(IPC1-7):G11B7/09
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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