NEN-ISO 8630-3/A1-1994 ISO 8630-3-1987/A1-1992 信息处理.数据交换用130mm(5.25 in)改进调频制记录.密度为13262 ftrad,每面80道的软盘.第3部分:用作80道的磁道格式B
Information processing. Data interchange on 130 mm (5,25 in) flexible disk cartridges using modified frequency modulation recording at 13 262 ftprad, on 80 tracks each side. Part 3: Track format B for 80 tracks (ISO 8630-3:1987/A1:1992)