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发明名称
LINE INTERRUPTION DEVICE
摘要
申请公布号
JPH02177748(A)
申请公布日期
1990.07.10
申请号
JP19880332072
申请日期
1988.12.28
申请人
NEC CORP
发明人
WAKAMIYA YASUO
分类号
H04L29/10;H04L12/02;H04L29/14
主分类号
H04L29/10
代理机构
代理人
主权项
地址
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