# ISO 1820:1975 — Withdrawn and superseded ISO standards For ISO 1820:1975, item title is Continuous mechanical handling equipment for loose bulk materials — Storage equipment : Storage bins and bunkers, silos and hoppers, bin gates — Safety code; status code is 9599; successor is ISO 8456:1985; withdrawn / published date is 1975-10-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 1820:1975 _(verified: appears in the quote below)_ - **Item title:** Continuous mechanical handling equipment for loose bulk materials — Storage equipment : Storage bins and bunkers, silos and hoppers, bin gates — Safety code _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 8456:1985 - **Withdrawn / published date:** 1975-10-01 _(verified: appears in the quote below)_ ## What the source says > 6467,IS,,ISO 1820:1975,"Continuous mechanical handling equipment for loose bulk materials — Storage equipment : Storage bins and bunkers, silos and hoppers, bin gates — Safety code","Engins de manutention continue pour produits en vrac — Équipement de stockage : Trémies, silos, obturateurs — Code de sécurité",1975-10-01,1,['53.080'],ISO/TC 101,9599,,[15645],"['en','fr']",2, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).