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发明名称
Clock operated switch
摘要
申请公布号
US2320462(A)
申请公布日期
1943.06.01
申请号
US19400358681
申请日期
1940.09.27
申请人
FRANK NAWELLS
发明人
NAWELLS FRANK
分类号
G04C21/22
主分类号
G04C21/22
代理机构
代理人
主权项
地址
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