74 / | HD | MACHINE ELEMENT OR MECHANISM |
469 | DF | CONTROL LEVER AND LINKAGE SYSTEMS {8} |
479.01 | DF | .~ Multiple controlling elements for single controlled element {8} |
490.01 | DF | .~.~ Robotic arm {4} |
490.05 | .~.~.~ Joint between elements {1} | |
490.06 | DF | .~.~.~.~> Wrist |