| 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} |
| 553 | DF | .~.~ Low energy electromagnetic radiation (e.g., microwave, radio wave, IR, UV, visible, actinic, laser, etc.) {2} |
| 554 | DF | .~.~.~ Laser {1} |
| 555 | DF | .~.~.~.~ Nonuniform or patterned coating {1} |
| 556 | | .~.~.~.~.~ Metal or metal alloy substrate |