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发明名称
Electric switching device
摘要
申请公布号
US2143697(A)
申请公布日期
1939.01.10
申请号
US19340759354
申请日期
1934.12.27
申请人
SQUARE D COMPANY
发明人
JACKSON JOHN G.
分类号
H02B1/00
主分类号
H02B1/00
代理机构
代理人
主权项
地址
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