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发明名称
FOCUSING ERROR DETECTOR AND OPTICAL DATA DETECTING DEVICE INCORPORATING THE FOCUSING ERROR DETECTOR
摘要
申请公布号
EP0255305(A3)
申请公布日期
1988.12.21
申请号
EP19870306575
申请日期
1987.07.24
申请人
SHARP KABUSHIKI KAISHA
发明人
OGATA, NOBUO;NAKATA, YASUO;SATOU, HIDEAKI;TANAKA, TOSHIYUKI;MINAMI, ETSUJI;YOSHIDA, YOSHIO;KURATA, YUKIO;INOUE, TERUAKI
分类号
G11B7/09;G11B7/135;(IPC1-7):G11B7/13;G02B27/00
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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