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发明名称
Time switch
摘要
申请公布号
US1860371(A)
申请公布日期
1932.05.31
申请号
US19290351699
申请日期
1929.04.01
申请人
ALBERT & J. M. ANDERSON MANUFACTURING COMPANY
发明人
SUNDBERG CARL E.
分类号
G04C23/24
主分类号
G04C23/24
代理机构
代理人
主权项
地址
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