| 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} |
| 201 | DF | .~.~ For removing integral organic coating, sealant, or finish from a substrate (e.g., stripping paint, varnish, etc.) {7} |
| 202 | | .~.~.~ From metallic substrate |