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| observing technique | |||
| observation technique | |||
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| observation techniques | |||
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technique d'observation : 4 do fraz, 4 tematyki |
| Laboratoryjny | 1 |
| Leśnictwo | 1 |
| Medycyna | 1 |
| Pospolicie | 1 |
|
| |||
| observing technique | |||
| observation technique | |||
| |||
| observation techniques | |||
|
technique d'observation : 4 do fraz, 4 tematyki |
| Laboratoryjny | 1 |
| Leśnictwo | 1 |
| Medycyna | 1 |
| Pospolicie | 1 |