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发明名称
摘要
申请公布号
FR2493081(B1)
申请公布日期
1988.03.11
申请号
FR19800022795
申请日期
1980.10.24
申请人
THOMSON CSF TELEPHONE
发明人
分类号
H04J3/07;H04J3/08;H04L25/05;(IPC1-7):H04L11/20;H04M11/06
主分类号
H04J3/07
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