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发明名称
LINE SWITCHING DEVICE
摘要
申请公布号
JPH01160129(A)
申请公布日期
1989.06.23
申请号
JP19870317493
申请日期
1987.12.17
申请人
NEC CORP
发明人
MORIMOTO HIDEAKI
分类号
H04L1/22
主分类号
H04L1/22
代理机构
代理人
主权项
地址
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