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发明名称
ISDN BACKUP TIME DIVISION MULTIPLEXER
摘要
申请公布号
JPH10304482(A)
申请公布日期
1998.11.13
申请号
JP19970107946
申请日期
1997.04.24
申请人
NEC CORP
发明人
AOYANAGI TOSHIHIKO
分类号
H04L1/22;H04J3/00;H04L29/08;H04L29/14;H04M3/00;H04M3/22;H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04L1/22
代理机构
代理人
主权项
地址
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