427 / | HD | COATING PROCESSES |
457 | DF | DIRECT APPLICATION OF ELECTRICAL, MAGNETIC, WAVE, OR PARTICULATE ENERGY {15} |
532 | DF | .~ Pretreatment of substrate or post-treatment of coated substrate {9} |
541 | .~.~ Drying {1} | |
542 | DF | .~.~.~> Infrared or radiant heating |