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经营范围
发明名称
Magnetic frequency doubler with means for producing a unidirectional magnetic flux in said doubler
摘要
申请公布号
US3223917(A)
申请公布日期
1965.12.14
申请号
US19610118484
申请日期
1961.05.15
申请人
SCHWEITZER JR EDMUND O
发明人
JR. EDMUND O. SCHWEITZER,
分类号
H02H1/00;H02H3/08
主分类号
H02H1/00
代理机构
代理人
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地址
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