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发明名称
Digital tachometer
摘要
申请公布号
US3172091(A)
申请公布日期
1965.03.02
申请号
US19610109675
申请日期
1961.05.12
申请人
GENERAL ELECTRIC COMPANY
发明人
FRIEND AARON L.
分类号
G01P1/10;H02H7/093
主分类号
G01P1/10
代理机构
代理人
主权项
地址
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