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发明名称
CALL PROCESSING FAULT MONITOR SYSTEM
摘要
申请公布号
JPH02270458(A)
申请公布日期
1990.11.05
申请号
JP19890092333
申请日期
1989.04.11
申请人
NEC CORP
发明人
SODA KAZUMI
分类号
H04M3/10;H04M3/22;H04M7/06
主分类号
H04M3/10
代理机构
代理人
主权项
地址
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