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发明名称
Glødekatode til elektronrør, navnlig ultrakortbølgerør, og fremgangsmåde ved dens fremstilling.
摘要
申请公布号
DK68847(C)
申请公布日期
1949.04.04
申请号
DK19440000187
申请日期
1944.01.20
申请人
G E M A GESELLSCHAFT FUER ELEKTROAKUSTISCHE UND MECHANISCHE APPARATE MIT BESCHRAENKTER HAFTUNG
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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Method
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