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发明名称
CALL PROCESSING SIGNAL CONTROL SYSTEM
摘要
申请公布号
JPH02309892(A)
申请公布日期
1990.12.25
申请号
JP19890133507
申请日期
1989.05.25
申请人
NEC CORP
发明人
ITOU YOSHIKO
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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