| 510 / | HD | CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS | 
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| 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} | 
| 245 | DF | .~.~ For bare metal surface (e.g., degreasing composition, etc.) {9} | 
| 258 | DF | .~.~.~ With corrosion or embrittlement inhibiting or solvent stabilizing component (e.g., pickling bath, etc.) {5} | 
| 261 |  | .~.~.~.~ Organic divalent sulfur containing substituent in the component (e.g., sulfide, mercaptan, etc.) {2} | 
| 262 | DF | .~.~.~.~.~> Heterocyclic ring in the component | 
| 263 | DF | .~.~.~.~.~> Nitrogen containing substituent in the component (e.g., thiourea, etc.) |