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发明名称
摘要
申请公布号
FR2275946(B1)
申请公布日期
1983.04.29
申请号
FR19750018830
申请日期
1975.06.17
申请人
PLESSEY HANDEL INVESTMENTS AG
发明人
分类号
H04L1/00;H04L7/04;(IPC1-7):H04L7/08
主分类号
H04L1/00
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