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发明名称
MONITOR FOR ISDN LINE
摘要
申请公布号
JPH05300270(A)
申请公布日期
1993.11.12
申请号
JP19920098305
申请日期
1992.04.17
申请人
ANRITSU CORP
发明人
KUMAGAI RIICHI
分类号
H04L29/14;H04L12/02;H04M3/22;H04M11/00;H04Q11/04;(IPC1-7):H04M11/00
主分类号
H04L29/14
代理机构
代理人
主权项
地址
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