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经营范围
发明名称
ATTENDANT BOARD CONNECTION SYSTEM
摘要
申请公布号
JPS6213149(A)
申请公布日期
1987.01.21
申请号
JP19850151951
申请日期
1985.07.10
申请人
NEC CORP
发明人
TAKAGI HIDEO
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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