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发明名称
Anodenstromsparschlatung fuer eine Verstaerkerroehre
摘要
申请公布号
DE687639(C)
申请公布日期
1940.02.02
申请号
DE193700I7957D
申请日期
1937.05.11
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY, INC.
发明人
DOME ROBERT B.
分类号
H03F1/04
主分类号
H03F1/04
代理机构
代理人
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地址
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