GB/T 15131.1-1994
Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad,on 80 tracks on each side--Part 1:dimensional, physical and magnetic characteristics 信息处理 数据交换用130 mm改进调频制记录的位密度为13262 磁通翻转/弧度、每面80条磁道的软磁盘 第一部分:尺寸、物理性能和磁性能 |
GB/T 15130.1-1994
Information processing--Data interchange on 90mm (35in) flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side--Part1:dimensional, physical and magnetic characteristics 信息处理 数据交换用90 mm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 第一部分:尺寸、物理性能和磁性能 |
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