Information processing; 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange; format and recording, using group coding at 246 cpmm (6250 cpi) (ISO 5652:1984); english version EN 25652:1991— 22 стр.
Information processing; 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange; format and recording, using group coding at 246 cpmm (6250 cpi) (ISO 5652:1984); english version EN 25652:1991— 22 стр.