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发明名称
摘要
申请公布号
DE2103865(A1)
申请公布日期
1971.11.04
申请号
DE19712103865
申请日期
1971.01.27
申请人
SIEMENS AG
发明人
分类号
H04L27/16;(IPC1-7):H04L27/16
主分类号
H04L27/16
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