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经营范围
发明名称
OPTICAL HEAD
摘要
申请公布号
EP0418087(A3)
申请公布日期
1992.01.22
申请号
EP19900310047
申请日期
1990.09.13
申请人
SHARP KABUSHIKI KAISHA
发明人
OGATA, NOBUO;UEYAMA, TETSUO;SEKIMOTO, YOSHIHIRO;TANAKA, TOSHIYUKI;SATO, HIDEAKI
分类号
G11B11/10;G11B7/09;G11B7/135;G11B11/105;(IPC1-7):G11B7/135
主分类号
G11B11/10
代理机构
代理人
主权项
地址
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