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发明名称
TIME DIVISION MULTI-DIRECTIONAL MULTIPLEX COMMUNICATION CHANNEL TESTING SYSTEM
摘要
申请公布号
JPH03110936(A)
申请公布日期
1991.05.10
申请号
JP19890249782
申请日期
1989.09.25
申请人
NEC CORP
发明人
AIHARA MAKOTO
分类号
H04J3/14
主分类号
H04J3/14
代理机构
代理人
主权项
地址
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