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发明名称
Improvements in thermionic amplifiers
摘要
申请公布号
GB455665(A)
申请公布日期
1936.10.26
申请号
GB19350021376
申请日期
1935.07.27
申请人
STANDARD TELEPHONES AND CABLES, LIMITED
发明人
分类号
H03G3/22
主分类号
H03G3/22
代理机构
代理人
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