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发明名称
TRANSMISSION LINE UNINTERRUPTED SWITCHING SYSTEM
摘要
申请公布号
JPH0685795(A)
申请公布日期
1994.03.25
申请号
JP19920234448
申请日期
1992.09.02
申请人
NEC CORP
发明人
YAMASHITA MIKIO
分类号
H04L1/22;(IPC1-7):H04L1/22
主分类号
H04L1/22
代理机构
代理人
主权项
地址
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