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经营范围
发明名称
Improvements in or relating to thermionic valve amplifiers
摘要
申请公布号
GB440333(A)
申请公布日期
1935.12.30
申请号
GB19340015876
申请日期
1934.05.28
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;NOEL MEYER RUST;FRANCIS MONEY GRAHAM MURPHY
发明人
分类号
H04B1/16
主分类号
H04B1/16
代理机构
代理人
主权项
地址
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