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发明名称
摘要
申请公布号
DE2155129(C3)
申请公布日期
1979.08.02
申请号
DE19712155129
申请日期
1971.11.05
申请人
SOCIETA ITALIANA TELECOMUNICAZIONI SIEMENS S.P.A., MAILAND (ITALIEN)
发明人
BORCIANI, FRANCO;MUSARRA, GAETANO
分类号
H04L5/16;H04Q3/545;(IPC1-7):G06F3/04
主分类号
H04L5/16
代理机构
代理人
主权项
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