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Sonstige
Abkürzung-Kategorie: u
| Abkürzung | Langform |
| UNV | Entwicklungshelfer der Vereinten Nationen |
| UP | User Plane |
| UP | Unnumbered Poll |
| UP | Ungesättigter Polyester |
| UPA | Ultra Port Architecture (Sun) |
| UPA | Usability Professionals Association |
| UPA | Ultraschall Park Assistent |
| UPC | Universal Printer Controller |
| UPC | Universal Product Code |
| UPC | Usage/User Parameter Control |
| upd | Aktualisierungsdatei (dBASE) |
| UPE | User Portability Extension |
| UPGS | Unfinished Project Guilt Syndrome |
| UPI | Upper Prediction Interval |
| UPI | Universal Peripheral Interface |
| UPI | United Press International |
| UPL | User Program Language |
| UPM | Umdrehungen Pro Minute |
| UPM | User Profile Management (IBM) |
| UPM | Unidirectional Point to Multipoint |
| UPN | Umgekehrte Polnische Notation, RPN |
| upo | Compilierte Aktualisierungsdatei (dBASE) |
| UPP | Unidirectional Point to Point |
| UPPS | Universal Portable Protocol Stack |
| UPS | Uninterruptable Power Supply, USV |
| UPS | Unit Pump System |
| UPT | Universal Personal Telecommunication (service) |
| UPU | Weltpostverein |
| UQZ | Umweltqualitätsziel |
| URA | Uniform Resource Agent |
| URB | Überrollbügel |
| URC | Uniform Resource Characterictics/Citation |
| UrhG | Urheberrechtsgesetz |
| URI | Uniform/Universal Resource Identifier |
| URJ | Unregister Reject |
| url | Internet Adreßzuweisungs-Datei (uniform Ressource locator) |
| URL | Uniform Resource Locator |
| URL | Universal/Uniform Resource Locator (Internet) |
| URM | Unbegrenzte Registermaschine |
| URM | Universal Retention Module |
| URN | Uniform Resource Name/Number |
| URQ | Unregister Request |
| URSI | Union Radio-Scientifique Internationale |
| Urt. | Urteil |
| uRwg | um Rückantwort wird gebeten |
| US | United States (of America) |
| US | Unit Separator |
| US | UltraSchall |
| US06 | United States 06 |
| USA | Vereinigte Staaten von Amerika |