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发明名称
INPUT AND OUTPUT SIGNAL SUPERVISING CIRCUIT
摘要
申请公布号
JPS6464431(A)
申请公布日期
1989.03.10
申请号
JP19870221545
申请日期
1987.09.03
申请人
NEC CORP
发明人
NOMURA KENICHI
分类号
H04L1/00
主分类号
H04L1/00
代理机构
代理人
主权项
地址
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