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发明名称
Magnetic frequency changer
摘要
申请公布号
US2437093(A)
申请公布日期
1948.03.02
申请号
US19440535479
申请日期
1944.05.13
申请人
LORAIN PRODUCTS CORPORATION
发明人
HUGE HENRY MARTIN
分类号
H01F38/04
主分类号
H01F38/04
代理机构
代理人
主权项
地址
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