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发明名称
Circuit to obtain the absolute value of the difference of two voltages
摘要
申请公布号
US3299287(A)
申请公布日期
1967.01.17
申请号
US19630334677
申请日期
1963.12.30
申请人
HANS STAEUDLE
发明人
STAEUDLE HANS
分类号
G06G7/25
主分类号
G06G7/25
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代理人
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