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发明名称
Switching device for radio receiving and other electrical systems
摘要
申请公布号
US2064348(A)
申请公布日期
1936.12.15
申请号
US19350047755
申请日期
1935.11.01
申请人
JOHN F. RIDER
发明人
KALENCIK PAUL
分类号
H01F27/00
主分类号
H01F27/00
代理机构
代理人
主权项
地址
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