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发明名称
An arrangement for the comparison of two alternating voltages
摘要
申请公布号
GB1008039(A)
申请公布日期
1965.10.22
申请号
GB19620028932
申请日期
1962.07.27
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
分类号
G01R19/10;G05D3/14;H03K5/24
主分类号
G01R19/10
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