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发明名称
Verfahren zum Speisen von Verstaerkerroehren aus Starkstromnetzen
摘要
申请公布号
DE521849(C)
申请公布日期
1931.03.27
申请号
DE1923K085747D
申请日期
1923.04.22
申请人
L. VON KRAMOLIN
发明人
分类号
H01L35/00
主分类号
H01L35/00
代理机构
代理人
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