# ISO 11171:1999 — Withdrawn and superseded ISO standards For ISO 11171:1999, item title is Hydraulic fluid power — Calibration of automatic particle counters for liquids; status code is 9599; successor is ISO 11171:2010; withdrawn / published date is 1999-12-09, recorded from its source on 2026-08-05. - **Identifier:** ISO 11171:1999 _(verified: appears in the quote below)_ - **Item title:** Hydraulic fluid power — Calibration of automatic particle counters for liquids _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 11171:2010 - **Withdrawn / published date:** 1999-12-09 _(verified: appears in the quote below)_ ## What the source says > 1919,IS,,ISO 11171:1999,Hydraulic fluid power — Calibration of automatic particle counters for liquids,Transmissions hydrauliques — Étalonnage des compteurs automatiques de particules en suspension dans les liquides,1999-12-09,1,['23.100.60'],ISO/TC 131/SC 6,9599,[10308],[46573],"['en','fr']",58, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).