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经营范围
发明名称
Sound absorber with partitions forming meandering channels connected to resonance duct
摘要
申请公布号
US3194341(A)
申请公布日期
1965.07.13
申请号
US19640339015
申请日期
1964.01.20
申请人
JUNKERS & CO. G.M.B.H.
发明人
HAAG FRANZ
分类号
F01N1/08;F01N1/10;F01N1/24
主分类号
F01N1/08
代理机构
代理人
主权项
地址
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