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发明名称
LAN COUPLING DEVICE
摘要
申请公布号
JPH02222239(A)
申请公布日期
1990.09.05
申请号
JP19890044587
申请日期
1989.02.22
申请人
NEC CORP
发明人
HASEGAWA ATSUSHI
分类号
H04L12/28;H04L12/40;H04L12/42
主分类号
H04L12/28
代理机构
代理人
主权项
地址
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