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发明名称
Switch box
摘要
申请公布号
US1775665(A)
申请公布日期
1930.09.16
申请号
US19290342475
申请日期
1929.02.25
申请人
BEHM MERLE J
发明人
BEHM MERLE J.
分类号
H02G3/12
主分类号
H02G3/12
代理机构
代理人
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