128136 ⎘
Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice; Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels about vertical or substantially vertical axises