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发明名称
Electrical comparator circuit
摘要
申请公布号
US2653285(A)
申请公布日期
1953.09.22
申请号
US19450613609
申请日期
1945.08.30
申请人
GRAY JOHN W
发明人
GRAY JOHN W.
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
主权项
地址
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