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发明名称
OPTICAL INFORMATION RECORDING MEDIUM, METHOD AND APPARATUS
摘要
申请公布号
EP0418611(A3)
申请公布日期
1991.06.12
申请号
EP19900116649
申请日期
1990.08.30
申请人
HITACHI, LTD.
发明人
KOBAYASHI, SETSUO;IWASAKI, KISHIRO;NAKAMURA, MARIKO;SASAKI, HIROSHI;ITO, YUTAKA
分类号
G11B7/24;G11B7/248;(IPC1-7):G11B7/24
主分类号
G11B7/24
代理机构
代理人
主权项
地址
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