15 / | HD | BRUSHING, SCRUBBING, AND GENERAL CLEANING |
3 | DF | MACHINES {11} |
300.1 | DF | .~ With air blast or suction {26} |
363 | DF | .~.~ With mechanical agitating means {12} |
368 | DF | .~.~.~ Adjustable with respect to nozzle {4} |
370 | .~.~.~.~ Rotary agitator with radially adjustable elements, e.g., wear compensating |