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| Angielski tezaurus | |||
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| CI | |||
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| Those activities which are concerned with identifying and counteracting the threat to security posed by hostile intelligence services or organizations or by individuals engaged in espionage, sabotage, subversion or terrorism. (FRA) | |||
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Counter : 25 do fraz, 5 tematyki |
| Ekonomia | 1 |
| Energia cieplna | 1 |
| Rury próżniowe | 18 |
| Silniki elektryczne | 4 |
| Transformatory | 1 |