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发明名称
ATTENDANT CONSOLE SYSTEM
摘要
申请公布号
JPH0447851(A)
申请公布日期
1992.02.18
申请号
JP19900156839
申请日期
1990.06.15
申请人
NEC CORP
发明人
AKIMOTO FUJIO
分类号
H04M3/60
主分类号
H04M3/60
代理机构
代理人
主权项
地址
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