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| Aktinometer n; Strahlungsmesser m | |||
| Strahlenmesser m (Instrument zum Messen der Intensität der Wärmestrahlen) | |||
| Aktinometer n (instrument measuring the intensity of photochemically active radiation); Strahlenmesser m (instrument measuring the intensity of photochemically active radiation) | |||
| Sonnenstrahlungsmesser m; Strahlenmesser m | |||
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| Strahlenmesser m | |||
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actinometer : 2 do fraz, 1 tematyki |
| Fizyka | 2 |