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发明名称
OPTICAL RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPH01307985(A)
申请公布日期
1989.12.12
申请号
JP19880139833
申请日期
1988.06.07
申请人
RICOH CO LTD
发明人
OBA HIDEAKI
分类号
G11B33/14;G11B7/00;G11B7/004
主分类号
G11B33/14
代理机构
代理人
主权项
地址
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