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发明名称
OPTICAL TRANSMISSION SYSTEM
摘要
申请公布号
GB9203949(D0)
申请公布日期
1992.04.08
申请号
GB19920003949
申请日期
1992.02.25
申请人
NORTHERN TELECOM LIMITED
发明人
分类号
H03J7/02;H04B1/26;H04B10/04;H04B10/06;H04B10/142;H04B10/148;H04B10/152;H04L27/12
主分类号
H03J7/02
代理机构
代理人
主权项
地址
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