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发明名称
Amplifier tube
摘要
申请公布号
US1968248(A)
申请公布日期
1934.07.31
申请号
US19300478833
申请日期
1930.08.30
申请人
RADIO CORPORATION OF AMERICAN
发明人
DYKSTERHUIS POPKO REINDER
分类号
H03F3/02
主分类号
H03F3/02
代理机构
代理人
主权项
地址
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