| 663.1 | Microbiological industries. Science and technique of applied microbiology. Applied mycology |
| 663.2 | Wine. Winemaking. Oenology |
| 663.3 | Cider. Perry. Other fruit wines, sap wines |
| 663.4 | Beers. Brewing. Malting |
| 663.5 | Potable alcohol. Spirituous liquors (ardent spirits). Alcohol distillation, refining |
| 663.6 | Water for beverages and other industrial uses. Mineral waters. Medicinal waters. Edible ice |
| 663.8 | Main ingredients for the blending of drinks. Fruit and vegetable juices. Syrups. Liqueurs. Soft drinks |
| 663.9 | Chocolate. Cocoa. Coffee. Tea. Tobacco |
