83 / | HD | CUTTING |
284 | DF | CUTTING MOTION OF TOOL HAS COMPONENT IN DIRECTION OF MOVING WORK {17} |
321 | DF | .~ Orbital motion of cutting blade {7} |
331 | DF | .~.~ Rotary tool {10} |
341 | .~.~.~ With means to cause progressive transverse cutting {1} | |
342 | DF | .~.~.~.~> With helical cutter blade |