DIN EN 21864:1992-09
Отменен
Information technology; unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange; 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3200 ftpi) phase encoded and 356 ftpmm (9042 ftpi) NRZ1 (ISO/IEC 1864:1992); german version EN 21864:1991
— 11 стр.
