205 / | HD | ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS |
687 | DF | ELECTROLYTIC MATERIAL TREATMENT (PRODUCT, PROCESS, AND ELECTROLYTE COMPOSITION) {8} |
704 | .~ Metal or metal alloy {3} | |
705 | DF | .~.~> Removing foreign material (e.g., cleaning, etc.) {7} |
724 | DF | .~.~> Object protection {8} |
741 | DF | .~.~> Containing iron |