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发明名称
ELECTRONIC EXCHANGE SYSTEM HAVING SIMULTANEOUS CALL FUNCTION OF RELATED SUBSCRIBER NUMBER
摘要
申请公布号
JPH08223299(A)
申请公布日期
1996.08.30
申请号
JP19950024861
申请日期
1995.02.14
申请人
NEC CORP
发明人
OTSUKA KIYOKAZU
分类号
H04M3/42;H04M3/46;H04Q3/545;H04Q7/38;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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