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发明名称
Permeability-tuned coupling unit
摘要
申请公布号
US2631192(A)
申请公布日期
1953.03.10
申请号
US19480013469
申请日期
1948.03.06
申请人
MOTOROLA, INC.
发明人
WALLIN GUS W.
分类号
H01F21/06
主分类号
H01F21/06
代理机构
代理人
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地址
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