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发明名称
Improvements in or relating to thermionic valve circuit arrangements
摘要
申请公布号
GB368152(A)
申请公布日期
1932.03.03
申请号
GB19310015310
申请日期
1931.05.23
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
分类号
H04B15/00
主分类号
H04B15/00
代理机构
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