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发明名称
Warp switch
摘要
申请公布号
US2446307(A)
申请公布日期
1948.08.03
申请号
US19440553560
申请日期
1944.09.11
申请人
PENN ELECTRIC SWITCH CO.
发明人
SHAW BURTON E.
分类号
H01H37/70
主分类号
H01H37/70
代理机构
代理人
主权项
地址
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