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发明名称
LINE CONCENTRATOR FOR NETWORK
摘要
申请公布号
JPH033446(A)
申请公布日期
1991.01.09
申请号
JP19890135803
申请日期
1989.05.31
申请人
TOSHIBA CORP
发明人
ANDO ARATA
分类号
H04L12/44
主分类号
H04L12/44
代理机构
代理人
主权项
地址
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