bn:03713612n
Noun Concept
Categories: Noise control
EN
Sound reduction index  sound insulation  sound insulation rating  sound transmission loss
EN
The sound reduction index is used to measure the level of sound insulation provided by a structure such as a wall, window, door, or ventilator. Wikipedia
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EN
The sound reduction index is used to measure the level of sound insulation provided by a structure such as a wall, window, door, or ventilator. Wikipedia
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