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Ventilation Muffler
Machinery & Equipment/Fans & Ventilation Equipment/Air Curtains￥ 2000
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Sound-absorbing panel
Construction & Building Materials/Thermal Insulation Materials/Sound Absorbing Materials350
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Air Conditioning Noise Reduction
Instruments & Meters/Specialized Instruments/Print Inspection Instruments￥ 10000
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Fan noise reduction
Machinery & Equipment/Fans & Ventilation Equipment/Fan Coil Units5000
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