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发明名称
Harmonic neutralizing amplifier
摘要
申请公布号
US1949217(A)
申请公布日期
1934.02.27
申请号
US19290370296
申请日期
1929.06.12
申请人
NAKKEN PATENTS CORPORATION
发明人
NAKKEN THEODORUS H.
分类号
H03F3/22
主分类号
H03F3/22
代理机构
代理人
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