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发明名称
DIGITAL TRANSMISSION SYSTEM FOR PAIR CABLE
摘要
申请公布号
JPH01185051(A)
申请公布日期
1989.07.24
申请号
JP19880011373
申请日期
1988.01.19
申请人
NEC CORP
发明人
KAMEYAMA SHIGEJI
分类号
H04L25/02;H04L25/49
主分类号
H04L25/02
代理机构
代理人
主权项
地址
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