Applies to reels used in digital audio reel-to-reel recording and reproducing systems using 6,3 mm magnetic tape for professional use.
ICS
33.160.30 Audio. Including tape recorders, records, magnetic tapes, cassettes, CDs, etc. / Аудиосистемы. Включая магнитофоны, пластинки, магнитные ленты, кассеты, компакт-диски и т.д.
