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发明名称
MULTI-STAGE CONNECTION SYSTEM FOR SUBSCRIBER ACCESS SYSTEM AND DEVICE THEREFOR
摘要
申请公布号
JPH1198245(A)
申请公布日期
1999.04.09
申请号
JP19970260255
申请日期
1997.09.25
申请人
NEC CORP
发明人
AOYANAGI MASAHITO
分类号
H04L29/04;H04L29/10;H04M3/00;H04M7/00;H04Q11/04;(IPC1-7):H04M3/00;H04L12/46;H04L12/28
主分类号
H04L29/04
代理机构
代理人
主权项
地址
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