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发明名称
ATTENDANT BOARD CONTROL SYSTEM
摘要
申请公布号
JPH02119367(A)
申请公布日期
1990.05.07
申请号
JP19880272174
申请日期
1988.10.27
申请人
NEC CORP
发明人
KIKUCHI HIROAKI;SAKAI NOBUYUKI
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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