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| rifrattometro m | |||
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| rifrattometri m | |||
| Angielski tezaurus | |||
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| Apparatus used to measure the refractive indices of gems. | |||
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refractometer : 24 do fraz, 5 tematyki |
| Chemia | 3 |
| Nauka o ziemi | 2 |
| Technika i technologia | 4 |
| Urządzenia pomiarowe | 13 |
| Zautomatyzowany sprzęt | 2 |