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发明名称
Thermionic amplifiers
摘要
申请公布号
GB542510(A)
申请公布日期
1942.01.13
申请号
GB19400011632
申请日期
1940.07.12
申请人
STANDARD TELEPHONES AND CABLES LIMITED;BENT BULOW JACOBSEN;ALLEMAN HOLLY ROCHE
发明人
分类号
H03F1/54
主分类号
H03F1/54
代理机构
代理人
主权项
地址
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