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| technical instruction; technical instruction The education, instruction, or discipline pertaining to or connected with the mechanical or industrial arts and the applied sciences | |||
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| technical instructions | |||
| instruction technique: 6 do fraz, 5 tematyki |
| Lotnictwo | 1 |
| Ochrona środowiska | 1 |
| Organizacja narodów zjednoczonych | 1 |
| Patenty | 2 |
| Technika i technologia | 1 |