ISO/IEC 7487-1:1993
信息技术 数据交换用130mm(5.25 in)改进调频制记录,密度为7958 ftprad、1.9 tpmm(48 tpi)的双面软盘 ISO 202型 第1部分:尺寸、物理性能和磁盘性能
Information technology; data interchange on 130 mm (5,25 in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad, 1,9 tpmm (48 tpi), on both sides; ISO type 202; part 1: dimensional, physical and magnetic characteristics