| 523 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
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| * | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {1} |
| 1 | DF | .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71} |
| 319 |  | .~.~ Utilizing treating or forming motion described by numerical data other than mere temperature, pressure, time, or amounts of material {2} |
| 322 | DF | .~.~.~> Rotational rate (RPM) or velocity |
| 323 | DF | .~.~.~> Work input, e.g., horsepower-hour/pound, etc. |