152 / | HD | RESILIENT TIRES AND WHEELS |
151 | DF | TIRES, RESILIENT {14} |
450 | DF | .~ Pneumatic tire or inner tube {23} |
539 | DF | .~.~ Characterized by the structure of the bead portion of the tire {8} |
546 | .~.~.~ Bead characterized by the radial extent of apex, flipper or chafer into tire sidewall |