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发明名称
TELEPHONE CONFERENCE CONVOCATION SYSTEM
摘要
申请公布号
JPH10112759(A)
申请公布日期
1998.04.28
申请号
JP19960265693
申请日期
1996.10.07
申请人
NEC ENG LTD
发明人
MAEJIMA KAZUTOSHI
分类号
H04M3/56;H04Q3/58;(IPC1-7):H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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