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F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
F27B7/38—Arrangements of cooling devices
F27B7/40—Planetary coolers
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FR624382D1925-12-071926-11-09Procédé et appareil pour cuire ou calciner des matières à ciment et des matières analogues et refroidir l'agrégat obtenu
ExpiredFR624382A
(fr)
Dispositif de hourdis creux en aggloméré de plâtre, ou machefer et plâtre, ou substances analogues pour la construction de planchers en béton armé, et appareil pour le moulage de ces agglomérés
Procédé et appareil pour la fabrication des carreaux de ciment en couleurs, permettant d'obtenir des dessins très fins et variés, à l'exemple des carreaux de céramique
Fremgangsmaade og Skaktovn til Brug ved Fremstillingen af brændt Kalk, Gips, kalk- og lerholdige Cementsorter og lignende samt til Kaleinering af Malme og lignende.