|  | A |
SECTION A — HUMAN NECESSITIES

AGRICULTURE

|  | A21 |
BAKING; EDIBLE DOUGHS

|  | A21B |
BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING (combustion apparatus Fulltext... Hierarchy... Expanded...F23; domestic stoves or ranges being wholly or partly ovens Fulltext... Hierarchy... Expanded...F24B, Fulltext... Hierarchy... Expanded...F24C)

|  | A21C |
MACHINES AND EQUIPMENT FOR MAKING AND PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH

|  | A21D |
TREATMENT, E. G. PRESERVATION, OF FLOUR OR DOUGH, E. G. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS; PRESERVATION THEREOF