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发明名称
SYSTEM FOR SWITCHING DIGITAL SIGNAL
摘要
申请公布号
JPH03173234(A)
申请公布日期
1991.07.26
申请号
JP19890310793
申请日期
1989.12.01
申请人
NEC CORP;NEC ENG LTD
发明人
KAWAMOTO KAZUHIRO;KOZUKA NAOKI
分类号
H04J3/08;H04L25/49;H04L25/52;H04Q11/04
主分类号
H04J3/08
代理机构
代理人
主权项
地址
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