Sound barrier panels for use along highways and other transportation corridors; Architectural acoustic products, namely, temporary coverings for passageways which function as sound barriers composed primarily of non-metal materials

'acoust':13 'along':6 'architectur':12 'barrier':2,24 'compos':25 'corridor':11 'cover':17 'function':21 'highway':7 'materi':31 'metal':30 'name':15 'non':29 'non-met':28 'panel':3 'passageway':19 'primarili':26 'product':14 'sound':1,23 'temporari':16 'transport':10 'use':5

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