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发明名称
LINE SWITCHING SYSTEM
摘要
申请公布号
JPH06334637(A)
申请公布日期
1994.12.02
申请号
JP19930118137
申请日期
1993.05.20
申请人
HITACHI LTD
发明人
SATOMI SHIGEKI;NAGAO MITSUNOBU;ONO NAOO
分类号
H04B1/74;H04L1/22;H04Q11/04;(IPC1-7):H04L1/22
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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