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经营范围
发明名称
Electromagnetic control
摘要
申请公布号
US2386149(A)
申请公布日期
1945.10.02
申请号
US19430497941
申请日期
1943.08.09
申请人
THE ELECTRIC CONTROLLER & MANUFACTURING COMPANY
发明人
SMITH WARD L.
分类号
H01H50/64
主分类号
H01H50/64
代理机构
代理人
主权项
地址
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