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发明名称
Stack switch construction
摘要
申请公布号
US2187284(A)
申请公布日期
1940.01.16
申请号
US19370179708
申请日期
1937.12.14
申请人
PENN ELECTRIC SWITCH CO.
发明人
SHAW BURTON E.
分类号
H01H37/56
主分类号
H01H37/56
代理机构
代理人
主权项
地址
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