| 474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS | 
| 237 | DF | FRICTION DRIVE BELT {14} | 
| 266 | DF | .~ Including fabric web (e.g., knit, woven, etc.) {2} | 
| 268 | DF | .~.~ And additional coating, layer, or reinforcement of diverse kind of material {3} | 
| 271 |  | .~.~.~ Additional material is rubber |