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经营范围
发明名称
CONTROL SYSTEM FOR CALLING SUPERVISION TABLE
摘要
申请公布号
JPH05207162(A)
申请公布日期
1993.08.13
申请号
JP19910299417
申请日期
1991.11.15
申请人
NEC CORP
发明人
KAMIMURA EISAKU
分类号
H04M3/60;H04Q3/545;H04Q3/58
主分类号
H04M3/60
代理机构
代理人
主权项
地址
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