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发明名称
Electric motor speed controller
摘要
申请公布号
US2437611(A)
申请公布日期
1948.03.09
申请号
US19430512896
申请日期
1943.12.04
申请人
MONTFORD MORRISON
发明人
MORRISON MONTFORD
分类号
H02P11/06
主分类号
H02P11/06
代理机构
代理人
主权项
地址
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