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发明名称
RELAY LINE DETOUR SYSTEM
摘要
申请公布号
JPH1146246(A)
申请公布日期
1999.02.16
申请号
JP19970215446
申请日期
1997.07.28
申请人
HITACHI TELECOM TECHNOL LTD
发明人
NAITO HITOSHI
分类号
H04M3/22;H04M3/00;H04M7/00;H04Q3/545;H04Q3/76;(IPC1-7):H04M3/00
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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