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经营范围
发明名称
Amplifying arrangement, particularly for transmitting amplifiers for audio frequencies and the like
摘要
申请公布号
GB585667(A)
申请公布日期
1947.02.18
申请号
GB19430014049
申请日期
1943.08.27
申请人
PATELHOID PATENTVERWERTUNGS- & ELEKTROHOLDING A. G.
发明人
分类号
H03F1/40
主分类号
H03F1/40
代理机构
代理人
主权项
地址
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