Acoustical panels for buildings; Architectural acoustic products, namely, sound absorbers and diffusers; Architectural acoustic products, namely, sound absorbers and diffusers in the form of decorative display panels composed primarily of non-metal materials which function to control sound

'absorb':10,18 'acoust':1,6,14 'architectur':5,13 'build':4 'compos':28 'control':38 'decor':25 'diffus':12,20 'display':26 'form':23 'function':36 'materi':34 'metal':33 'name':8,16 'non':32 'non-met':31 'panel':2,27 'primarili':29 'product':7,15 'sound':9,17,39

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