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发明名称
OPTISCHE VORRICHTUNG.
摘要
申请公布号
DE3781498(T2)
申请公布日期
1993.01.07
申请号
DE19873781498T
申请日期
1987.09.14
申请人
BRITISH TELECOMMUNICATIONS P.L.C., LONDON, GB
发明人
BLOW, KEITH JAMES, WOODBRIDGE SUFFOLK, IP12 1HA, GB
分类号
G02F1/35;G02F3/00;G02F3/02;(IPC1-7):G02F1/35
主分类号
G02F1/35
代理机构
代理人
主权项
地址
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