# ISO 31-0:1981 — Withdrawn and superseded ISO standards

For ISO 31-0:1981, item title is General principles concerning quantities, units and symbols; status code is 9599; successor is ISO 31-0:1992; withdrawn / published date is 1981-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 31-0:1981 _(verified: appears in the quote below)_
- **Item title:** General principles concerning quantities, units and symbols _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 31-0:1992
- **Withdrawn / published date:** 1981-07-01 _(verified: appears in the quote below)_

## What the source says

> 3620,IS,,ISO 31-0:1981,"General principles concerning quantities, units and symbols","Principes généraux concernant les grandeurs, les unités et les symboles",1981-07-01,2,['01.060'],ISO/TC 12,9599,,[3621],"['en','fr']",13,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).