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发明名称
DUPLEX COMMUNICATION SYSTEM
摘要
申请公布号
JPH06216971(A)
申请公布日期
1994.08.05
申请号
JP19930007139
申请日期
1993.01.20
申请人
NEC CORP
发明人
NISHIO MOTOJIRO
分类号
H04L1/22;H04L12/40;H04L29/14;(IPC1-7):H04L29/14
主分类号
H04L1/22
代理机构
代理人
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