427 / | HD | COATING PROCESSES |
248.1 | DF | COATING BY VAPOR, GAS, OR SMOKE {9} |
255.23 | DF | .~ Mixture of vapors or gases (e.g., deposition gas and inert gas, inert gas and reactive gas, two or more reactive gases, etc.) utilized {5} |
255.395 | .~.~ Inorganic coating |