301 / | HD | LAND VEHICLES: WHEELS AND AXLES |
5.1 | DF | WHEEL {21} |
62 | .~ Compression wheel {6} | |
63.1 | DF | .~.~> Disc {4} |
65 | DF | .~.~> Of cast metal |
66 | DF | .~.~> Integrally connected spokes |
67 | DF | .~.~> Rim (or felly) and spoke connection {3} |
73 | DF | .~.~> Plural spoke series {1} |
79 | DF | .~.~> Single spoke series {1} |