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发明名称
PATH SELECTION SYSTEM
摘要
申请公布号
JPH0310451(A)
申请公布日期
1991.01.18
申请号
JP19890145855
申请日期
1989.06.07
申请人
NEC CORP
发明人
NISHI KIYOTAKA
分类号
H04M3/00;H04L12/00;H04M7/00;H04Q3/66
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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