# ISO 14520-1:2000 — Withdrawn and superseded ISO standards For ISO 14520-1:2000, item title is Gaseous fire-extinguishing systems — Physical properties and system design — Part 1: General requirements; status code is 9599; successor is ISO 14520-1:2006; withdrawn / published date is 2000-08-17, recorded from its source on 2026-08-05. - **Identifier:** ISO 14520-1:2000 _(verified: appears in the quote below)_ - **Item title:** Gaseous fire-extinguishing systems — Physical properties and system design — Part 1: General requirements _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 14520-1:2006 - **Withdrawn / published date:** 2000-08-17 _(verified: appears in the quote below)_ ## What the source says > 23938,IS,,ISO 14520-1:2000,Gaseous fire-extinguishing systems — Physical properties and system design — Part 1: General requirements,Systèmes d'extinction d'incendie utilisant des agents gazeux — Propriétés physiques et conception des systèmes — Partie 1: Exigences générales,2000-08-17,1,['13.220.10'],ISO/TC 21/SC 8,9599,,[37452],"['en','fr']",62, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).