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Keywords from Image Description:
Mtallurgie du zinc Four zinc de Dony p. . fr Four moufle de rduction brevet par le belge Dony le dcembre Le four est charg par le haut et les flammes circulent le long de canaux latraux Mtallurgie du zinc Arthur Jean Baptiste Thodore douard LODIN DE LPINAY other versions Custom marker PDUS PD Mtallurgie du zinc Silesiantype