EN 28378(PART 3)-1989 信息处理.数据交换用130mm(5.25in)改进调频制记录,密度为7958ftprad,3.8tpmm(96tpi)的双面软磁盘.第3部分:磁道格式B
Information Processing Data Interchange on 130mm (5.25in) Flexible Disk Cartridges Using Modified Frequency Modulation Recording at 7 958 ftprad 3.8tpmm (96 tpi) on Both sides Part 3: Track Format B