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发明名称
Gitterelektroden für Elektronenröhren.
摘要
申请公布号
AT134857(B)
申请公布日期
1933.10.10
申请号
ATD134857
申请日期
1930.09.06
申请人
ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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