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发明名称
OPTICAL MODULATION DEVICE
摘要
申请公布号
GB8927226(D0)
申请公布日期
1990.01.31
申请号
GB19890027226
申请日期
1989.12.01
申请人
KOKUSAI DENSHIN DENWA KABUSHIKI KAISHA
发明人
分类号
G02F1/015;G02F1/025
主分类号
G02F1/015
代理机构
代理人
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