Information processing — Unrecorded, hard-sectored, 130 mm (5.25 in) flexible disk cartridges, one or two-sided use — Dimensional, physical, and magnetic characteristics
ISO 7901:1984Information processing — Unrecorded, hard-sectored, 130 mm (5.25 in) flexible disk cartridges, one or two-sided use — Dimensional, physical, and magnetic characteristics