# ISO Guide 33:1989 — Withdrawn and superseded ISO standards

For ISO Guide 33:1989, item title is Uses of certified reference materials; status code is 9599; successor is ISO Guide 33:2000; withdrawn / published date is 1989-05-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO Guide 33:1989 _(verified: appears in the quote below)_
- **Item title:** Uses of certified reference materials _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO Guide 33:2000
- **Withdrawn / published date:** 1989-05-01 _(verified: appears in the quote below)_

## What the source says

> 19740,GUIDE,,ISO Guide 33:1989,Uses of certified reference materials,Utilisation des matériaux de référence certifiés,1989-05-01,1,['71.040.30'],ISO/TMBG,9599,,[33189],"['en','fr']",12,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).