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经营范围
发明名称
Harmonic notch filter
摘要
申请公布号
US3370247(A)
申请公布日期
1968.02.20
申请号
US19640385560
申请日期
1964.07.24
申请人
NAVY USA
发明人
HOFFMAN BENJAMIN F.;SR. RONALD W. CARRUTHERS,
分类号
H03H11/12
主分类号
H03H11/12
代理机构
代理人
主权项
地址
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