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发明名称
DIFFRACTIVE LIGHT MODULATING DEVICES
摘要
申请公布号
GB2173605(B)
申请公布日期
1989.09.20
申请号
GB19860004310
申请日期
1986.02.21
申请人
* CANON KABUSHIKI KAISHA
发明人
HAJIME * SAKATA
分类号
G02B5/18;G02F1/29
主分类号
G02B5/18
代理机构
代理人
主权项
地址
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