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The open-hearth process, a steelmaking technique that accounted for a major part of all steel made during the 20th century.

The open-hearth process, a steelmaking technique that accounted for a major part of all steel made during the 20th century .
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Titre:
The open-hearth process, a steelmaking technique that accounted for a major part of all steel made during the 20th century.
The open-hearth process, a steelmaking technique that accounted for a major part of all steel made during the 20th century .
Crédit:
Album / Universal Images Group / Encyclopaedia Britannica
Autorisations:
Modèle: Non - Propriété: Non
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Taille de l'image:
3825 x 3015 px | 33.0 MB
Taille d'impression:
32.4 x 25.5 cm | 12.7 x 10.1 in (300 dpi)