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发明名称
Demagnetization
摘要
申请公布号
US2154399(A)
申请公布日期
1939.04.11
申请号
US19350010513
申请日期
1935.03.11
申请人
CHICAGO DEVELOPMENT COMPANY
发明人
DAVIS CHARLES W.
分类号
H01F13/00
主分类号
H01F13/00
代理机构
代理人
主权项
地址
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