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发明名称
MANAGING SYSTEM FOR CALL CONNECTED STATE IN EXCHANGE SYSTEM
摘要
申请公布号
JPS6450694(A)
申请公布日期
1989.02.27
申请号
JP19870206363
申请日期
1987.08.21
申请人
NEC CORP
发明人
SUZUKI MICHINARI;OGATA HATSUO
分类号
H04Q3/545
主分类号
H04Q3/545
代理机构
代理人
主权项
地址
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