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发明名称
High-frequency coupling unit
摘要
申请公布号
US1766039(A)
申请公布日期
1930.06.24
申请号
US19260106827
申请日期
1926.05.05
申请人
FEDERAL TELEGRAPH COMPANY
发明人
KOLSTER FREDERICK A.
分类号
H01F21/04
主分类号
H01F21/04
代理机构
代理人
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地址
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