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| mill scales | |||
| hammer slag; iron dress; laminar rust; mill scale; scale; scalings; hammer scales | |||
| hammer scale | |||
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| hammer scale | |||
| hammer-scale | |||
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battitures : 18 a las frases, 3 temas |
| Industria | 3 |
| Metalurgia | 12 |
| Recursos naturales y conservación de la vida silvestre. | 3 |