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发明名称
Reversing switch
摘要
申请公布号
US2314874(A)
申请公布日期
1943.03.30
申请号
US19420432176
申请日期
1942.02.25
申请人
NORDEL CORPORATION
发明人
EVJEN HAAKON M.
分类号
G01V3/06
主分类号
G01V3/06
代理机构
代理人
主权项
地址
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