 |
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| industria de la construcción | |||
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building activity : 3 Phrasen in 3 Thematiken |
| Geowissenschaften | 1 |
| Materialwissenschaften | 1 |
| Name der Organisation | 1 |
|
| |||
| industria de la construcción | |||
|
building activity : 3 Phrasen in 3 Thematiken |
| Geowissenschaften | 1 |
| Materialwissenschaften | 1 |
| Name der Organisation | 1 |