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发明名称
摘要
申请公布号
DE2814001(B2)
申请公布日期
1980.01.31
申请号
DE19782814001
申请日期
1978.03.31
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN
发明人
KUEHNE, FRIEDRICH, DR.-ING., 8000 MUENCHEN
分类号
H04J3/07;H04J3/12;(IPC1-7):H04J3/02;H04L5/22
主分类号
H04J3/07
代理机构
代理人
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