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发明名称
TRANSMISSION SYSTEM
摘要
申请公布号
GB9303450(D0)
申请公布日期
1993.04.07
申请号
GB19930003450
申请日期
1993.02.20
申请人
NORTHERN TELECOM LIMITED
发明人
分类号
H03M13/29;H04L1/00
主分类号
H03M13/29
代理机构
代理人
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