| 347 / | HD | INCREMENTAL PRINTING OF SYMBOLIC INFORMATION |
| 1 | DF | INK JET {6} |
| 20 | DF | .~ Ejector mechanism (i.e., print head) {13} |
| 54 | DF | .~.~ Drop-on-demand {3} |
| 68 | ![]() | .~.~.~ With piezoelectric force ejection {3} |
| 69 | DF | .~.~.~.~> Shear mode |
| 70 | DF | .~.~.~.~> With vibratory plate |
| 71 | DF | .~.~.~.~> Layers, plates {1} |