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发明名称
ISDN NET WORK REMOTE MAINTENANCE SYSTEM
摘要
申请公布号
JPH05276246(A)
申请公布日期
1993.10.22
申请号
JP19920098882
申请日期
1992.03.25
申请人
发明人
分类号
H04M3/00;H04M3/22;H04Q3/42;H04Q11/04;(IPC1-7):H04M3/00
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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