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| Laboratoriumsprobe m; Laboratoriumsversuch m | |||
| Werkstattprüfung f | |||
| Laborprüfung f | |||
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ensayo de laboratorio : 8 phrases in 4 subjects |
| Coal | 1 |
| Metallurgy | 1 |
| Patents | 1 |
| Technology | 5 |
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