# ISO 100:1984 — Withdrawn and superseded ISO standards For ISO 100:1984, item title is Pulleys for flat transmission belts — Crowns; status code is 9599; successor is ISO 22:1991; withdrawn / published date is 1984-04-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 100:1984 _(verified: appears in the quote below)_ - **Item title:** Pulleys for flat transmission belts — Crowns _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 22:1991 - **Withdrawn / published date:** 1984-04-01 _(verified: appears in the quote below)_ ## What the source says > 3768,IS,,ISO 100:1984,Pulleys for flat transmission belts — Crowns,Poulies pour courroies plates de transmission — Bombement,1984-04-01,2,['21.220.10'],ISO/TC 41/SC 1,9599,[3767],[3609],"['en','fr']",1, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).