| 510 / | HD | CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS |
| 108 | DF | CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) {21} |
| 109 | DF | .~ For cleaning a specific substrate or removing a specific contaminant (e.g., for smoker's pipe, etc.) {50} |
| 175 | DF | .~.~ For printed or integrated electrical circuit, or semiconductor device {2} |
| 177 | DF | .~.~.~ Azeotropic or azeotrope-like composition (e.g., for defluxing, etc.) {1} |
| 178 | | .~.~.~.~ Nitrogen-containing component |