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发明名称
Amplitude filter
摘要
申请公布号
US2171918(A)
申请公布日期
1939.09.05
申请号
US19370138244
申请日期
1937.04.21
申请人
THE FIRM FERNSEH AKTIENGESELLSCHAFT
发明人
DILLENBURGER WOLFGANG
分类号
H04N5/10
主分类号
H04N5/10
代理机构
代理人
主权项
地址
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