427 / | HD | COATING PROCESSES |
457 | DF | DIRECT APPLICATION OF ELECTRICAL, MAGNETIC, WAVE, OR PARTICULATE ENERGY {15} |
458 | DF | .~ Electrostatic charge, field, or force utilized {7} |
475 | DF | .~.~ Solid particles or atomized liquid applied {5} |
477 | DF | .~.~.~ Articles or substrates sequentially moved past atomizing source {4} |
478 | .~.~.~.~ Collection of off-target or fugitive coating material |