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Keywords from Image Description:
Mtallurgie du zinc Fermeture d'une embrasure du four silsien de Valentin Cocq p. . fr Fermeture d'une embrasure du four silsien moufles de Valentin Cocq aux usines ValentinCocq et de Flne appartenant la socit de la VieilleMontagne Ce four tirage renvers mis au point entre et La combustion de houilles grasses permis de pousser