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发明名称
Switching device
摘要
申请公布号
US1879822(A)
申请公布日期
1932.09.27
申请号
US19300463141
申请日期
1930.06.23
申请人
MCGILL MANUFACTURING COMPANY
发明人
POPP RUDOLF
分类号
H01H17/16
主分类号
H01H17/16
代理机构
代理人
主权项
地址
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