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发明名称
Circuit-controlling apparatus
摘要
申请公布号
US1745510(A)
申请公布日期
1930.02.04
申请号
US19250050557
申请日期
1925.08.17
申请人
CUTLER-HAMMER, INC.
发明人
SEEGER EDWIN W.
分类号
H01C10/02
主分类号
H01C10/02
代理机构
代理人
主权项
地址
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