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经营范围
发明名称
Optischer Schalter.
摘要
申请公布号
DE3789437(T2)
申请公布日期
1994.06.30
申请号
DE19873789437T
申请日期
1987.12.14
申请人
BRITISH TELECOMMUNICATIONS P.L.C., LONDON
发明人
ADAMS, MICHAEL JOHN, IPSWICH SUFFOLK, IP4 2DH
分类号
G02F3/00;H01S5/00;H01S5/06;(IPC1-7):G02F3/00
主分类号
G02F3/00
代理机构
代理人
主权项
地址
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