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| Austrian | |||
| German thesaurus | |||
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| Otto-Suhr-Institut für Politische Wissenschaften | |||
| Open Systems Interconnection | |||
| Offene Kommunikation | |||
| OSI-Referenzmodell | |||
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OSI : 44 phrases in 5 subjects |
| Communications | 28 |
| General | 1 |
| Information technology | 13 |
| Rail transport | 1 |
| Telecommunications | 1 |