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发明名称
BIDIRECTIONAL DATA COMMUNICATION EQUIPMENT
摘要
申请公布号
JPH0410823(A)
申请公布日期
1992.01.16
申请号
JP19900112989
申请日期
1990.04.27
申请人
NEC CORP
发明人
IKEDA KAZUMASA
分类号
G06F15/16;G06F15/177;H04L5/14;H04L25/02
主分类号
G06F15/16
代理机构
代理人
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