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经营范围
发明名称
Verfahren zur Steuerung der Frequenz oder Abstimmung von Sendern
摘要
申请公布号
DE677888(C)
申请公布日期
1939.07.05
申请号
DE1932S106822D
申请日期
1932.10.29
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
分类号
H02J13/00
主分类号
H02J13/00
代理机构
代理人
主权项
地址
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