| 508 / | HD | SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS |
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| 110 | DF | LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53} |
| 154 | DF | .~ Inorganic compound (except water) (Overbased or carbonated organic acidic compounds are not classified in this subclass or its indents on the basis of inorganic overbasing or carbonating agents; the overbased or carbonated compounds are treated as complexes, and are classified with the particular organic acidic compound) {8} |
| 165 | DF | .~.~ The inorganic compound contains heavy metal or aluminum {4} |
| 166 |  | .~.~.~ Sulfide, selenide, or telluride of heavy metal or aluminum (e.g., lithopone, etc.) {1} |
| 167 | DF | .~.~.~.~> The heavy metal is molybdenum or tungsten (e.g., molybdenum sulfide, etc.) {2} |