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发明名称
Improvements in or relating to thermionic valve amplifiers
摘要
申请公布号
GB716543(A)
申请公布日期
1954.10.06
申请号
GB19500029292
申请日期
1950.11.29
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
COOPER VICTOR JAMES
分类号
H03F1/50
主分类号
H03F1/50
代理机构
代理人
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