标准号:ANSI X3.125-1985(R1996)
中文标准名称:双面双密度无格式5.25英寸(130mm)、48道/英寸(1.9道/毫米)盒式软磁盘的通用、物理和磁性要求(适用于7958BPR
英文标准名称:Information Systems - Two-Sided, Double-Density, Unformatted, 5.25-Inch (130-mm), 48-tpi (1,9-tpmm), Flexible Disk Cartridge for 7958 bpr Use - General, Physical, and Magnetic Requirements