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发明名称
Speed regulation
摘要
申请公布号
US2112741(A)
申请公布日期
1938.03.29
申请号
US19370130502
申请日期
1937.03.12
申请人
GENERAL ELECTRIC COMPANY
发明人
MERRILL FRANK W.
分类号
H02P7/06
主分类号
H02P7/06
代理机构
代理人
主权项
地址
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