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发明名称
Safety switch control for three-phase electric motor
摘要
申请公布号
US2804579(A)
申请公布日期
1957.08.27
申请号
US19550525249
申请日期
1955.07.29
申请人
HARRIS PAUL B
发明人
HARRIS PAUL B.
分类号
H02H3/13
主分类号
H02H3/13
代理机构
代理人
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地址
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