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发明名称
DATA COMMUNICATIONS SYSTEM HAVING NOISE REDUCTION MEANS
摘要
申请公布号
EP0276277(B1)
申请公布日期
1991.10.09
申请号
EP19870905061
申请日期
1987.07.13
申请人
NCR CORPORATION
发明人
SINGH, AMAR, JIT
分类号
H04L25/02;H04B15/00;H04L25/08
主分类号
H04L25/02
代理机构
代理人
主权项
地址
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