| 435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
| 283.1 | DF | APPARATUS {9} |
| 289.1 | DF | .~ Bioreactor {16} |
| 291.1 | ![]() | .~.~ Malting or mashing apparatus {3} |
| 291.2 | DF | .~.~.~> Movable floor to facilitate maintenance (e.g., cleaning) |
| 291.3 | DF | .~.~.~> Vertically spaced stages, levels, or floors {1} |
| 291.5 | DF | .~.~.~> With agitator or mash turner {2} |