Reference details

Reference
EN 21864:1991
Title
Information processing - Unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange - 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3200 ftpi) phase encoded and 356 ftpm (9042 ftpi) NRZ1 (ISO 1864:1985, ed. 3)
Organisation
CEN
Publisher status in source
WithdrawnThis is the status recorded in the source, not a statement that this is the latest edition.
Source access
19 October 2026

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