427 / | HD | COATING PROCESSES |
299 | DF | WITH PRETREATMENT OF THE BASE {7} |
301 | DF | .~ Preapplied reactant or reaction promoter or hardener (e.g., catalyst, etc.) {2} |
304 | DF | .~.~ Metal coating (e.g., electroless deposition, etc.) {1} |
305 | .~.~.~ Nickel, copper, cobalt, or chromium coating {1} | |
306 | DF | .~.~.~.~> Organic base |