427 / | HD | COATING PROCESSES |
331 | DF | WITH POST-TREATMENT OF COATING OR COATING MATERIAL {14} |
372.2 | DF | .~ Heating or drying (e.g., polymerizing, vulcanizing, curing, etc.) {8} |
375 | .~.~ Fusion or softening of coating {1} | |
376.1 | DF | .~.~.~> Inorganic coating {2} |