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发明名称
DATA SWITCHING SYSTEM
摘要
申请公布号
JPH0279538(A)
申请公布日期
1990.03.20
申请号
JP19880228815
申请日期
1988.09.14
申请人
NEC CORP
发明人
TAKAHASHI HIDEO
分类号
H04L12/50
主分类号
H04L12/50
代理机构
代理人
主权项
地址
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