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发明名称
DATA TRANSMISSION
摘要
申请公布号
IE44902(L)
申请公布日期
1977.11.19
申请号
IE19770001024
申请日期
1977.05.18
申请人
SIEMENS AG
发明人
分类号
H04J3/07;(IPC1-7):H04J3/00;H04L5/22
主分类号
H04J3/07
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代理人
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