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经营范围
发明名称
Electric regulating system
摘要
申请公布号
US1847910(A)
申请公布日期
1932.03.01
申请号
US19230667087
申请日期
1923.10.08
申请人
GENERAL ELECTRIC COMPANY
发明人
THOMPSON LOUIS W.
分类号
G05F1/12
主分类号
G05F1/12
代理机构
代理人
主权项
地址
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