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发明名称
LINE SWITCHING SYSTEM
摘要
申请公布号
JPH05291982(A)
申请公布日期
1993.11.05
申请号
JP19920089073
申请日期
1992.04.09
申请人
NEC CORP
发明人
MUTO HIDEYUKI
分类号
H04B1/74;H04L1/22;(IPC1-7):H04B1/74
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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