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经营范围
发明名称
Variable voltage transformer
摘要
申请公布号
US2265666(A)
申请公布日期
1941.12.09
申请号
US19390261456
申请日期
1939.03.13
申请人
CUTLER-HAMMER, INC.
发明人
MEKELBURG HAROLD L.;STANSBURY CARROLL
分类号
H01C1/12;H01F29/06
主分类号
H01C1/12
代理机构
代理人
主权项
地址
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