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发明名称
ELECTRONIC EXCHANGING SYSTEM
摘要
申请公布号
JPS6367062(A)
申请公布日期
1988.03.25
申请号
JP19860212352
申请日期
1986.09.08
申请人
NEC CORP
发明人
YOSHIDA YOSHINORI
分类号
H04M3/00;H04L12/64;H04Q3/545
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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