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发明名称
Schaltungsanordnung fuer mit Wechselstrom oder pulsierendem Gleichstrom indirekt geheizte Roehren
摘要
申请公布号
DE644033(C)
申请公布日期
1937.04.22
申请号
DE1933A069286D
申请日期
1933.04.20
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
分类号
H04B15/00
主分类号
H04B15/00
代理机构
代理人
主权项
地址
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