A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
A21B1/00—Bakers' ovens
A21B1/42—Bakers' ovens characterised by the baking surfaces moving during the baking
A21B1/46—Bakers' ovens characterised by the baking surfaces moving during the baking with surfaces suspended from an endless conveyor or a revolving wheel
A—HUMAN NECESSITIES
A21—BAKING; EDIBLE DOUGHS
A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
A21B3/00—Parts or accessories of ovens
A21B3/04—Air-treatment devices for ovens, e.g. regulating humidity