299 / | HD | MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL |
29 | DF | HARD MATERIAL DISINTEGRATING MACHINES {17} |
36.1 | DF | .~ Floor-working {3} |
39.1 | DF | .~.~ Rotary cutter {6} |
39.4 | DF | .~.~.~ Drum-type {4} |
39.8 | .~.~.~.~ Specific mount for fixed projecting cutters |