# ISO/R 577-2:1968 — Withdrawn and superseded ISO standards For ISO/R 577-2:1968, item title is Withdrawal of ISO/R 477/2-1968; status code is 9599; successor is ISO 492:1986; withdrawn / published date is 1968-09-01, recorded from its source on 2026-08-05. - **Identifier:** ISO/R 577-2:1968 _(verified: appears in the quote below)_ - **Item title:** Withdrawal of ISO/R 477/2-1968 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 492:1986 - **Withdrawn / published date:** 1968-09-01 _(verified: appears in the quote below)_ ## What the source says > 4670,R,,ISO/R 577-2:1968,Withdrawal of ISO/R 477/2-1968,Annulation de l'ISO/R 477/2-1968,1968-09-01,1,['21.100.20'],ISO/TC 4,9599,,[4542],['en'],3, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).