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消声管道
IACDuctSilences管道消声器
IAC Duct Silencer Catalogue A complete range of engineered noise control for air-handling systems www.iac-acoustics.com Why Laboratory Tested Silencers Are Best Rectangular and cylindrical duct silencers from IAC Acoustics provide effective and predictable noise reduction at substantial savings over other methods due to our products being laboratory developed and tested under controlled conditi