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发明名称
Method of high frequency amplification for very short waves
摘要
申请公布号
US1958971(A)
申请公布日期
1934.05.15
申请号
US19320633274
申请日期
1932.09.15
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
LUX HEINZ
分类号
H03F3/54
主分类号
H03F3/54
代理机构
代理人
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地址
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