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ISO 3382-1 was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 2, Building acoustics. iso 50001 software This first edition of ISO 3382-1 , together with ISO 3382-2 and ISO 3382-3 , cancels and replaces ISO 3382:1997 , of which it constitutes a technical revision. ultraman fe3 ps2 iso