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发明名称
SYSTEM FOR SWITCHING TRANSMISSION LINE
摘要
申请公布号
JPH01264426(A)
申请公布日期
1989.10.20
申请号
JP19880092864
申请日期
1988.04.15
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
TATSUNO HIDEO;TOKIZAWA IKUO;TOKURA NOBUYUKI
分类号
H04L1/22;H04J3/00
主分类号
H04L1/22
代理机构
代理人
主权项
地址
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