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F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
F27B14/00—Crucible or pot furnaces
F27B14/08—Details peculiar to crucible or pot furnaces
F27B14/10—Crucibles
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FR571815D1922-12-301922-12-30Procédé pour la fabrication des creusets à chauffe rapide ou ordinaire et outillage pour cette fabrication
ExpiredFR571815A
(fr)