| 205 / | HD | ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS |
| 80 | DF | ELECTROLYTIC COATING (PROCESS, COMPOSITION AND METHOD OF PREPARING COMPOSITION) {42} |
| 205 | DF | .~ Treating substrate prior to coating {3} |
| 210 | DF | .~.~ Treating substrate with liquid other than tap water (e.g., for removing foreign material, etching, activating, etc.) {7} |
| 213 | | .~.~.~ Predominantly aluminum substrate {1} |
| 214 | DF | .~.~.~.~> Graining or roughening chemically or electrolytically |