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发明名称
DIGITAL TRANSMISSION SYSTEMS
摘要
申请公布号
GB8500839(D0)
申请公布日期
1985.02.20
申请号
GB19850000839
申请日期
1985.01.14
申请人
GENERAL ELECTRIC CO PLC
发明人
分类号
H04J3/08;H04J3/12
主分类号
H04J3/08
代理机构
代理人
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