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ISO 7487-3:1986/Cor.1:1991

Действует
Information processing; 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; part 3: track format B; technical corrigendum 1 — 11 стр.