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经营范围
发明名称
Instantaneous voltage drop detector
摘要
申请公布号
US4912774(A)
申请公布日期
1990.03.27
申请号
US19880158610
申请日期
1988.02.22
申请人
NEC CORPORATION
发明人
SAITO, AKIO
分类号
G01R19/165;H02H3/24;H02H3/247;H04B1/44
主分类号
G01R19/165
代理机构
代理人
主权项
地址
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