# ISO 1:1975 — Withdrawn and superseded ISO standards

For ISO 1:1975, item title is Standard reference temperature for industrial length measurements; status code is 9599; successor is ISO 1:2002; withdrawn / published date is 1975-04-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1:1975 _(verified: appears in the quote below)_
- **Item title:** Standard reference temperature for industrial length measurements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1:2002
- **Withdrawn / published date:** 1975-04-01 _(verified: appears in the quote below)_

## What the source says

> 3561,IS,,ISO 1:1975,Standard reference temperature for industrial length measurements,Température normale de référence des mesures industrielles de longueur,1975-04-01,1,['17.040.10'],ISO/TC 213,9599,,[28086],"['en','fr']",1,"<p>The temperature is fixed at 20 degrees centigrade, i.e. a metre gauge with the indication: reference temperature 20 degrees centigrade has at 20 degrees centigrade the same length as the international prototype at 0 degree centigrade.</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).