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经营范围
发明名称
Displacement detector
摘要
申请公布号
EP0489399(B1)
申请公布日期
1996.09.18
申请号
EP19910120760
申请日期
1991.12.03
申请人
CANON KABUSHIKI KAISHA
发明人
IGAKI, MASAHIKO,
分类号
G01D5/38;G01D5/36;G01J1/02;G02B3/08;(IPC1-7):G01D5/34
主分类号
G01D5/38
代理机构
代理人
主权项
地址
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