DIN EN 27487-3 E : 1991现行
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
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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