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经营范围
发明名称
Control of electric switches
摘要
申请公布号
US2368461(A)
申请公布日期
1945.01.30
申请号
US19430491927
申请日期
1943.06.23
申请人
GENERAL ELECTRIC COMPANY
发明人
FRAPS JUNIUS P.
分类号
H02H7/22
主分类号
H02H7/22
代理机构
代理人
主权项
地址
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