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发明名称
Reactive sound attenuator, in particular for air ducts in paper mills
摘要
申请公布号
EP0505342(B1)
申请公布日期
1997.08.06
申请号
EP19920850058
申请日期
1992.03.17
申请人
VALMET CORPORATION
发明人
LEMETYINEN, MARKKU
分类号
F24F13/24;G10K11/172;(IPC1-7):G10K11/16
主分类号
F24F13/24
代理机构
代理人
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地址
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