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经营范围
发明名称
Tachometer
摘要
申请公布号
US2232789(A)
申请公布日期
1941.02.25
申请号
US19370132255
申请日期
1937.03.22
申请人
SQUARE D. COMPANY
发明人
KOLISMAN PAUL
分类号
G01P1/04
主分类号
G01P1/04
代理机构
代理人
主权项
地址
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