# ISO 1864:1984 — Withdrawn and superseded ISO standards For ISO 1864:1984, item title is Information processing — Unrecorded 12,7 mm (0.5 in) wide magnetic tape for information interchange — 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi), NRZ1; status code is 9599; successor is ISO/IEC 1864:1992 | ISO 1864:1985; withdrawn / published date is 1984-02-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 1864:1984 _(verified: appears in the quote below)_ - **Item title:** Information processing — Unrecorded 12,7 mm (0.5 in) wide magnetic tape for information interchange — 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi), NRZ1 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 1864:1992 | ISO 1864:1985 - **Withdrawn / published date:** 1984-02-01 _(verified: appears in the quote below)_ ## What the source says > 6533,IS,,ISO 1864:1984,"Information processing — Unrecorded 12,7 mm (0.5 in) wide magnetic tape for information interchange — 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi), NRZ1","Traitement de l'information — Bande magnétique vierge de 12,7 mm (0,5 in) de large, pour l'échange d'information — 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3 200 ftpi) par codage de phase et 356 ftpmm (9 042 ftpi), NRZ1",1984-02-01,2,['35.220.22'],ISO/IEC JTC 1,9599,,"[6535,6534]","['en','fr']",11, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).