241 / | HD | SOLID MATERIAL COMMINUTION OR DISINTEGRATION |
* | DD | APPARATUS {41} |
107 | DF | .~ Plural rotary or oscillatory surfaces cooperate with common surface (e.g., chasing mills) {9} |
123 | DF | .~.~ Planetary movement of plural surfaces {4} |
124 | .~.~.~ With material moving or discharge means |