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经营范围
发明名称
LINE AUTOMATIC SWITCHING SYSTEM
摘要
申请公布号
JPH03293844(A)
申请公布日期
1991.12.25
申请号
JP19900093847
申请日期
1990.04.11
申请人
NEC CORP
发明人
HASHIMOTO SHINJI
分类号
H04L1/00;H04L1/22;H04L29/14
主分类号
H04L1/00
代理机构
代理人
主权项
地址
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