DIFF Subgroup
A63C 5/003 Full Title
Skis or snowboards (sledges with runners, e.g. ski-bobs, B62B13/00; runners for sledges B62B17/02; runners for carrying wheeled vehicles to facilitate travel on snow or ice B62B19/00)
A63C 5/003 Skis or snowboards (sledges with runners, e.g. ski-bobs, B62B13/00; runners for sledges B62B17/02; runners for carrying wheeled vehicles to facilitate travel on snow or ice B62B19/00)