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发明名称
Sequential switch
摘要
申请公布号
US2627559(A)
申请公布日期
1953.02.03
申请号
US19480067476
申请日期
1948.12.27
申请人
GENERAL ELECTRIC COMPANY
发明人
NETZEL PHILIP C.
分类号
H01H21/00
主分类号
H01H21/00
代理机构
代理人
主权项
地址
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