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发明名称
Elektrodenhalterung, insbesondere für Mehrgitterröhren.
摘要
申请公布号
AT141640(B)
申请公布日期
1935.05.10
申请号
ATD141640
申请日期
1933.12.30
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
分类号
主分类号
代理机构
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