435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
283.1 | DF | APPARATUS {9} |
286.1 | DF | .~ Including condition or time responsive control means {4} |
286.2 | .~.~ Including position control {2} | |
286.3 | DF | .~.~.~> Plater, streaker, or spreader |
286.4 | DF | .~.~.~> Including liquid dispenser means |