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发明名称
Magnetic core
摘要
申请公布号
US2600473(A)
申请公布日期
1952.06.17
申请号
US19490072960
申请日期
1949.01.26
申请人
PHILIPS LABORATORIES, INC.
发明人
BROCKMAN FRANK
分类号
H01F1/34
主分类号
H01F1/34
代理机构
代理人
主权项
地址
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