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发明名称
Improvements in or relating to electron discharge device circuit arrangements
摘要
申请公布号
GB434938(A)
申请公布日期
1935.09.11
申请号
GB19350013018
申请日期
1935.05.01
申请人
SOCIETE FRANCAISE RADIO ELECTRIQUE
发明人
分类号
H03L7/24
主分类号
H03L7/24
代理机构
代理人
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