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发明名称
摘要
申请公布号
DE1806346(C3)
申请公布日期
1982.07.01
申请号
DE19681806346
申请日期
1968.10.31
申请人
THE MARCONI CO. LTD., LONDON, GB
发明人
BRIGHAM, ERIC RICHARD, CHELMSFORD, ESSEX, GB
分类号
H04J3/06;(IPC1-7):H04J3/06
主分类号
H04J3/06
代理机构
代理人
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