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发明名称
DETECTOR FOR MOVING VELOCITY OF LIGHT BEAM SPOT
摘要
申请公布号
EP0407171(A3)
申请公布日期
1991.12.11
申请号
EP19900307311
申请日期
1990.07.04
申请人
CANON KABUSHIKI KAISHA
发明人
TAMAKI, KENJI
分类号
G11B7/085;(IPC1-7):G11B7/085
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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