DIN EN 29529-1:1992-09
Отменен
Information processing systems; data interchange on 90 mm (3.5 in) flexible disk cartridges using modified frequency modulation recordings at 15916 ftprad, on 80 tracks on each side; part 1: dimensional, physical and magnetic characteristics (ISO/IEC 9529-1:1989); german version EN 29529-1:1991
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