IS 11404 : Part 1 : 2018现行
Information Processing a€” Data Interchange on 130 mm (5.25 in) Flexible Disk Cartridges Using Two- Frequency Recording at 7 958 ftprad, 1.9 tpmm (48 tpi), on One Side Part 1 Dimensional, Physical and Magnetic Characteristics ( First Revision)
出版：Bureau of Indian Standards
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