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发明名称
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPH04106734(A)
申请公布日期
1992.04.08
申请号
JP19900225592
申请日期
1990.08.28
申请人
RICOH CO LTD
发明人
SOFUE MASAAKI
分类号
G11B11/10;G11B7/09;G11B11/105
主分类号
G11B11/10
代理机构
代理人
主权项
地址
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