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经营范围
发明名称
OPTISCHE UEBERTRAGUNG.
摘要
申请公布号
AT19449(T)
申请公布日期
1986.05.15
申请号
AT19830303228T
申请日期
1983.06.03
申请人
BRITISH TELECOMMUNICATIONS
发明人
COTTER, DAVID
分类号
(IPC1-7):H04B9/00
主分类号
(IPC1-7):H04B9/00
代理机构
代理人
主权项
地址
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