483 / | HD | TOOL CHANGING |
16 | DF | INCLUDING MACHINE TOOL OR COMPONENT {3} |
30 | DF | .~ Rotary spindle machine tool (e.g., milling machine, boring, machine, grinding machine, etc.) {3} |
31 | DF | .~.~ Tool having specific mounting or work treating feature {3} |
33 | .~.~.~ Abrading wheel |