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发明名称
Audio frequency transformer
摘要
申请公布号
US2713667(A)
申请公布日期
1955.07.19
申请号
US19530399551
申请日期
1953.12.21
申请人
CHICAGO STANDARD TRANSFORMER CORP.
发明人
SCHWENNESEN DONALD O.
分类号
H01F19/02
主分类号
H01F19/02
代理机构
代理人
主权项
地址
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