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发明名称
摘要
申请公布号
NO134080(B)
申请公布日期
1976.05.03
申请号
NO19730000478
申请日期
1973.02.07
申请人
SIEMENS AKTIENGESELLSCHAFT BERLIN UND MUENCHEN
发明人
ARENS W;SAUER A
分类号
H04L5/22;H04L25/493;(IPC1-7):H04J3/00
主分类号
H04L5/22
代理机构
代理人
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地址
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