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经营范围
发明名称
Electric circuit arrangement for digital data transmission systems
摘要
申请公布号
GB2087694(A)
申请公布日期
1982.05.26
申请号
GB19810033277
申请日期
1981.11.04
申请人
GEC GB
发明人
分类号
H04L7/033;H04L25/03;(IPC1-7):H04L27/22
主分类号
H04L7/033
代理机构
代理人
主权项
地址
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