GB/T 15130.1-1994
信息处理 数据交换用90mm改进调频制记录的位密度为15916磁通翻转/弧度、每面80条磁道的软磁盘 第1部分:尺寸、物理性能和磁性能
Information processing systems-Data interchange on 90mm(3.5in)flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side-Part 1:Dimensional, physical and magnetic characteristics
GBT15130.1-1994, GB15130.1-1994