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经营范围
发明名称
Low-voltage protective means
摘要
申请公布号
US1775658(A)
申请公布日期
1930.09.16
申请号
US19280273988
申请日期
1928.04.30
申请人
CUTLER-HAMMER, INC.
发明人
SEEGER EDWIN W.
分类号
H02H3/13
主分类号
H02H3/13
代理机构
代理人
主权项
地址
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