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发明名称
OPTICAL SIGNAL CONTROL
摘要
申请公布号
GB8709247(D0)
申请公布日期
1987.06.10
申请号
GB19870009247
申请日期
1987.04.16
申请人
BRITISH TELECOMMUNICATIONS PLC
发明人
分类号
G02B26/00;G02F1/01;G02F1/03;G02F1/035
主分类号
G02B26/00
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代理人
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