# ISO 31-7:1978 — Withdrawn and superseded ISO standards

For ISO 31-7:1978, item title is Quantities and units of acoustics; status code is 9599; successor is ISO 31-7:1992; withdrawn / published date is 1978-03-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 31-7:1978 _(verified: appears in the quote below)_
- **Item title:** Quantities and units of acoustics _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 31-7:1992
- **Withdrawn / published date:** 1978-03-01 _(verified: appears in the quote below)_

## What the source says

> 3640,IS,,ISO 31-7:1978,Quantities and units of acoustics,Grandeurs et unités d'acoustique,1978-03-01,1,['01.060'],ISO/TC 12,9599,,[3641],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).