# ISO 8999:1993 — Withdrawn and superseded ISO standards

For ISO 8999:1993, item title is Reciprocating internal combustion engines — Graphical symbols; status code is 9599; successor is ISO 8999:2001; withdrawn / published date is 1993-05-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8999:1993 _(verified: appears in the quote below)_
- **Item title:** Reciprocating internal combustion engines — Graphical symbols _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 8999:2001
- **Withdrawn / published date:** 1993-05-20 _(verified: appears in the quote below)_

## What the source says

> 16528,IS,,ISO 8999:1993,Reciprocating internal combustion engines — Graphical symbols,Moteurs alternatifs à combustion interne — Symboles graphiques,1993-05-20,1,"['27.020','01.080.20']",ISO/TC 70,9599,,[30758],"['en','fr']",17,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).