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发明名称
Permanent magnet
摘要
申请公布号
US2353550(A)
申请公布日期
1944.07.11
申请号
US19410410234
申请日期
1941.09.10
申请人
MAGNAFLUX CORPORATION
发明人
FOREST ALFRED V. DE;DOANE FOSTER B.
分类号
H01F7/02
主分类号
H01F7/02
代理机构
代理人
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