ISO 8630-3:1987 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 on each side; Part 3 : Track format B for 80 tracks