# ISO 4006:1977 — Withdrawn and superseded ISO standards

For ISO 4006:1977, item title is Measurement of fluid flow in closed conduits — Vocabulary and symbols; status code is 9599; successor is ISO 4006:1991; withdrawn / published date is 1977-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4006:1977 _(verified: appears in the quote below)_
- **Item title:** Measurement of fluid flow in closed conduits — Vocabulary and symbols _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4006:1991
- **Withdrawn / published date:** 1977-09-01 _(verified: appears in the quote below)_

## What the source says

> 9680,IS,,ISO 4006:1977,Measurement of fluid flow in closed conduits — Vocabulary and symbols,Mesure de débit des fluides dans les conduites fermées — Vocabulaire et symboles,1977-09-01,1,"['17.120.10','01.040.17']",ISO/TC 30,9599,,[9681],"['en','fr']",23,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).