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发明名称
Improvements in or relating to thermionic valve amplifiers
摘要
申请公布号
GB477815(A)
申请公布日期
1938.01.06
申请号
GB19350020742
申请日期
1936.07.07
申请人
PETER WILLIAM WILLANS;ALEXANDER JOHN BROWN;BAIRD TELEVISION LIMITED
发明人
分类号
H03F3/52
主分类号
H03F3/52
代理机构
代理人
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地址
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