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发明名称
SYSTEM FOR SELECTING MINIMUM CHARGE OFFERING LINE IN PRIVATE EXCHANGE NETWORK
摘要
申请公布号
JPH03136596(A)
申请公布日期
1991.06.11
申请号
JP19890276801
申请日期
1989.10.23
申请人
NEC CORP
发明人
ASAKAWA HIROSHI
分类号
H04M3/42;H04Q3/58
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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