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经营范围
发明名称
OPTICAL RECORDING MEDIUM.
摘要
申请公布号
EP0181941(A4)
申请公布日期
1987.12.01
申请号
EP19850902157
申请日期
1985.05.02
申请人
TDK CORPORATION
发明人
NAMBA, KENRYO TDK CORPORATION;ASAMI, SHIGERU TDK CORPORATION;AOI, TOSHIKI TDK CORPORATION;TAKAHASHI, KAZUO TDK CORPORATION;KUROIWA, AKIHIKO TDK CORPORATION
分类号
G11B7/246;G11B7/247;G11B7/249;G11B7/253;(IPC1-7):B41M5/26;G11B7/24
主分类号
G11B7/246
代理机构
代理人
主权项
地址
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