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发明名称
Electric switch and system of motor control employing the same
摘要
申请公布号
US1776136(A)
申请公布日期
1930.09.16
申请号
US19250033917
申请日期
1925.06.01
申请人
GENERAL ELECTRIC COMPANY
发明人
STACK GEORGE E.
分类号
H02P1/34
主分类号
H02P1/34
代理机构
代理人
主权项
地址
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