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发明名称
Electric switch
摘要
申请公布号
US1876878(A)
申请公布日期
1932.09.13
申请号
US19300473800
申请日期
1930.08.08
申请人
DOUGLAS HARRY A
发明人
DOUGLAS HARRY A.
分类号
H01H15/02
主分类号
H01H15/02
代理机构
代理人
主权项
地址
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