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Mairich A G
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A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
A21B1/00—Bakers' ovens
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FR550285D1922-04-181922-04-18Procédé de chauffage au charbon d'un four avec double arrivée d'air au-dessous etau-dessus de la grille
ExpiredFR550285A
(fr)
Procédé pour le fonctionnement économique des installations de chaudières et autres installations analogues avec chauffage préalable par les gaz de combustion
Grille à gradins avec poussoirs à mouvement de va-et-vient entre les gradins fixes et avec tubes d'injection de vapeur pour la désagrégation du combustible