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Keywords from Image Description:
Tourangin's direct reduction furnace. rduction directe brevet par Ernest Tourangin brevet US er mai Le minerai est charg sans combustible dans la chambre centrale Il est rduit par un flux de monoxyde de carbone chaud arrivant par les chambres et D' ce gaz est produit par une combustion incomplte de charbon Les gaz s'chappant au