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发明名称
Controlling the q values of coils
摘要
申请公布号
US2724091(A)
申请公布日期
1955.11.15
申请号
US19500161890
申请日期
1950.05.13
申请人
KLAPPERICH ALFRED J
发明人
KLAPPERICH ALFRED J.
分类号
H01F21/02
主分类号
H01F21/02
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代理人
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