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发明名称
Improvements in or relating to push-pull thermionic amplifiers
摘要
申请公布号
GB357306(A)
申请公布日期
1931.09.24
申请号
GB19300020662
申请日期
1930.07.08
申请人
HAZELTINE CORPORATION
发明人
分类号
H03F3/28;H03F3/32
主分类号
H03F3/28
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代理人
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