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发明名称
MECHANICAL FREQUENCY FILTER WITH ADDITIONAL COUPLING TO INCREASE SLOPE OF DAMPING RISE
摘要
申请公布号
US3445792(A)
申请公布日期
1969.05.20
申请号
USD3445792
申请日期
1963.06.28
申请人
TELEFUNKEN PATENTVERWERTUNGS GMBH.
发明人
MANFRED BORNER;JURGEN SPITZNER
分类号
H03H9/50;H03H9/52
主分类号
H03H9/50
代理机构
代理人
主权项
地址
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