| 700 / | HD | DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS |
| 90 | DD | SPECIFIC APPLICATION, APPARATUS OR PROCESS {16} |
| 213 | DD | .~ Article handling {5} |
| 231 | DD | .~.~ Dispensing or vending {6} |
| 241 | | .~.~.~ Central control of plural dispensing units |