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发明名称
Improvements relating to tone correction in low frequency thermionic amplifiers
摘要
申请公布号
GB494024(A)
申请公布日期
1938.10.19
申请号
GB19370012911
申请日期
1937.05.06
申请人
E. K. COLE LIMITED;ARTHUR EVEREST FALKUS
发明人
分类号
H03G9/08
主分类号
H03G9/08
代理机构
代理人
主权项
地址
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