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Keywords from Image Description:
BellKrupp dephosphorization furnace. fr Four de dphosphoration de la fonte en fusion procd BellKrupp invent en Ce procd surclass par le procd Thomas en Liquid pig iron dephosphorization furnace BellKrupp process invented in This process was outclassed by the basic Bessemer process hathitrust org id wu page Wedding's basic Bessemer