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| Angielski tezaurus | |||
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| system app (ssn); system application (ssn); systems app (ssn) | |||
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| systems application (ssn); system app (ssn); systems app (ssn) | |||
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System Application : 8 do fraz, 4 tematyki |
| Komputery | 1 |
| Technologia informacyjna | 2 |
| Telekomunikacja | 1 |
| Wojskowość | 4 |