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经营范围
发明名称
Variable mutual double tuned i. f. transformer
摘要
申请公布号
US2753532(A)
申请公布日期
1956.07.03
申请号
US19530346292
申请日期
1953.04.01
申请人
ASHBY ROBERT M;HOLMES III EUGENE A
发明人
ASHBY ROBERT M.;III EUGENE A. HOLMES
分类号
H01F21/10
主分类号
H01F21/10
代理机构
代理人
主权项
地址
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