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} |
462 | .~.~ Flock or fiber applied {1} | |
463 | DF | .~.~.~> Pile- or nap-type surface formed {2} |