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发明名称
Circuit-switched network
摘要
申请公布号
EP0939576(A3)
申请公布日期
2000.08.09
申请号
EP19990301138
申请日期
1999.02.16
申请人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人
SHIOMOTO, KOHEI;YAMANAKA, NAOAKI
分类号
H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04Q11/04
代理机构
代理人
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地址
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