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发明名称
HIGH-FREQUENCY THERMIONIC GENERATORS
摘要
申请公布号
IE13876(L)
申请公布日期
1935.03.06
申请号
IED13876
申请日期
1934.09.06
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
分类号
H03B7/04;H03B9/10;(IPC1-7):H03B7/04
主分类号
H03B7/04
代理机构
代理人
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