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| refractometer m | |||
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| refractometers | |||
| Angielski tezaurus | |||
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| Apparatus used to measure the refractive indices of gems. | |||
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refractometer : 26 do fraz, 6 tematyki |
| Chemia | 3 |
| Nauka o ziemi | 2 |
| Ochrona środowiska | 1 |
| Technika i technologia | 3 |
| Urządzenia pomiarowe | 16 |
| Zautomatyzowany sprzęt | 1 |