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发明名称
摘要
申请公布号
FR2267669(B1)
申请公布日期
1977.03.04
申请号
FR19740014306
申请日期
1974.04.12
申请人
IBM FRANCE
发明人
分类号
H04L29/08;H04J3/07;H04J3/08;H04L13/08;H04L25/30;(IPC1-7):H04L25/30
主分类号
H04L29/08
代理机构
代理人
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地址
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