# ISO 7566:1987 — Withdrawn and superseded ISO standards

For ISO 7566:1987, item title is Acoustics — Standard reference zero for the calibration of pure-tone bone conduction audiometers; status code is 9599; successor is ISO 389-3:1994; withdrawn / published date is 1987-04-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7566:1987 _(verified: appears in the quote below)_
- **Item title:** Acoustics — Standard reference zero for the calibration of pure-tone bone conduction audiometers _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 389-3:1994
- **Withdrawn / published date:** 1987-04-09 _(verified: appears in the quote below)_

## What the source says

> 14349,IS,,ISO 7566:1987,Acoustics — Standard reference zero for the calibration of pure-tone bone conduction audiometers,Acoustique — Zéro normal de référence pour l'étalonnage des audiomètres à sons purs en conduction osseuse,1987-04-09,1,['13.140'],ISO/TC 43,9599,,[22495],"['en','fr']",9,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).