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发明名称
AUTOMATIC CONNECTION SERVICE SYSTEM AT CONGESTION OF EXCHANGE NETWORK
摘要
申请公布号
JPH02124672(A)
申请公布日期
1990.05.11
申请号
JP19880278878
申请日期
1988.11.02
申请人
NEC CORP
发明人
SAITO MINORU
分类号
H04M3/48;H04M3/42
主分类号
H04M3/48
代理机构
代理人
主权项
地址
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