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经营范围
发明名称
Optische Vorrichtung.
摘要
申请公布号
DE3884161(T2)
申请公布日期
1994.03.10
申请号
DE19883884161T
申请日期
1988.12.09
申请人
BRITISH TELECOMMUNICATIONS P.L.C., LONDON, GB
发明人
COTTER, DAVID, WOODBRIDGE SUFFOLK, IP12 4JN, GB;DORAN, NICHOLAS JOHN, CAMBRIDGE, CB4 1JD, GB;BLOW, KEITH JAMES, WOODBRIDGE, IP12 1HA, GB;WOOD, DAVID CHARLES, WOODBRIDGE, IP12 1AX, GB
分类号
G01N33/53;G01N33/00;G01N33/543;G01N33/554;G01N33/564;G01N33/569;G01N33/68;G02F1/313;G02F1/35;G02F3/00;(IPC1-7):G02F1/35
主分类号
G01N33/53
代理机构
代理人
主权项
地址
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