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发明名称
Overload protection device for polyphase systems
摘要
申请公布号
US3139557(A)
申请公布日期
1964.06.30
申请号
US19600055060
申请日期
1960.09.09
申请人
STEELMAN ELECTRIC MANUFACTURING COMPANY, INC.
发明人
STEELMAN HENRY A.
分类号
H02H3/42
主分类号
H02H3/42
代理机构
代理人
主权项
地址
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