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发明名称
Schaltungsanordnung fuer mit Wechselstrom oder pulsierendem Gleichstrom geheizte Verstaerkerroehre
摘要
申请公布号
DE650206(C)
申请公布日期
1937.09.16
申请号
DE1931S090413D
申请日期
1931.01.28
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
BARTELS HANS
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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