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发明名称
LINE STATE DISPLAY DEVICE FOR ATTENDANT BOARD
摘要
申请公布号
JPH0326047(A)
申请公布日期
1991.02.04
申请号
JP19890159661
申请日期
1989.06.23
申请人
NEC CORP
发明人
NAKAZATO YOSHINOBU
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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