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经营范围
发明名称
Electric switch
摘要
申请公布号
US2177249(A)
申请公布日期
1939.10.24
申请号
US19370175603
申请日期
1937.11.20
申请人
THE TRUMBULL ELECTRIC MANUFACTURING COMPANY
发明人
HAMMERLY HERMAN J.
分类号
H01H9/28
主分类号
H01H9/28
代理机构
代理人
主权项
地址
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