# ISO/R 91:1970 — Withdrawn and superseded ISO standards

For ISO/R 91:1970, item title is Withdrawal of ISO/R 91-1970; status code is 9599; successor is ISO 91-1:1982; withdrawn / published date is 1970-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO/R 91:1970 _(verified: appears in the quote below)_
- **Item title:** Withdrawal of ISO/R 91-1970 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 91-1:1982
- **Withdrawn / published date:** 1970-12-01 _(verified: appears in the quote below)_

## What the source says

> 3746,R,,ISO/R 91:1970,Withdrawal of ISO/R 91-1970,Annulation de l'ISO/R 91-1970,1970-12-01,1,['75.180.30'],ISO/TC 28,9599,,[3748],['en'],2,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).