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发明名称
OPTICAL MODULATOR
摘要
申请公布号
GB9003756(D0)
申请公布日期
1990.04.18
申请号
GB19900003756
申请日期
1990.02.20
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
分类号
C03C14/00;G02F1/015;G02F1/025;G02F1/355
主分类号
C03C14/00
代理机构
代理人
主权项
地址
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