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发明名称
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPH02304778(A)
申请公布日期
1990.12.18
申请号
JP19890124232
申请日期
1989.05.19
申请人
CANON INC
发明人
TOMINAGA HIDEKAZU
分类号
G11B7/09;G11B21/10
主分类号
G11B7/09
代理机构
代理人
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地址
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