| 347 / | HD | INCREMENTAL PRINTING OF SYMBOLIC INFORMATION |
| 224 | DF | LIGHT OR BEAM MARKING APPARATUS OR PROCESSES {2} |
| 225 | DF | .~ Scan of light {12} |
| 233 | DF | .~.~ Plural beam scan {9} |
| 241 | DF | .~.~.~ Specific optical structure {3} |
| 242 | ![]() | .~.~.~.~ Having mounting or supporting means |