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发明名称
ALARM INFORMATION COLLECTION DEVICE FOR EXCHANGE AND ITS METHOD
摘要
申请公布号
JPH04150647(A)
申请公布日期
1992.05.25
申请号
JP19900273317
申请日期
1990.10.15
申请人
NEC CORP
发明人
ABE HIROAKI
分类号
H04M3/10;H04L12/42
主分类号
H04M3/10
代理机构
代理人
主权项
地址
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