| 37 / | HD | EXCAVATING |
|
| 196 |  | SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16} |
| 197 | DF | .~> Process |
| 198 | DF | .~> Railway clearer {7} |
| 219 | DF | .~> Snow or ice surface groomer {3} |
| 225 | DF | .~> With compressor die {1} |
| 227 | DF | .~> With melter {2} |
| 231 | DF | .~> With specific means to facilitate connection to, or disconnection from, vehicle |
| 232 | DF | .~> Vehicle mount with obstacle responsive trip, or yieldable tool (e.g., brush) {1} |
| 234 | DF | .~> Including specific hydraulic control system to position implement |
| 235 | DF | .~> Vehicle mount including power lift {1} |
| 237 | DF | .~> With endless conveyor {3} |
| 241 | DF | .~> Combined or convertible {1} |
| 244 | DF | .~> Motorized rotary excavating tool {8} |
| 263 | DF | .~> Tool prepares wheel path for passage of wheel |
| 264 | DF | .~> Scoop {1} |
| 266 | DF | .~> Scraper blade {5} |
| 285 | DF | .~> Manually powered |