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| optisches Pyrometer | |||
| Pyropter; Strahlungshitzemesser m | |||
| Strahlungspyrometer n; Teilstrahlungspyrometer n; Farbpyrometer n; Gluehfadenpyrometer n | |||
| Glühfadenpyrometer n (a temperature-measuring device); Teilstrahlungspyromeier n (a temperature-measuring device) | |||
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optical pyrometer : 3 a las frases, 3 temas |
| Ciencias de la tierra | 1 |
| Metalurgia | 1 |
| Tecnología | 1 |