451 / | HD | ABRADING |
463 | DF | CARRIER FOR RELATIVELY MOVABLE SIMULTANEOUSLY USABLE TOOLS {2} |
464 | .~ For radially movable tools {7} | |
465 | DF | .~.~> Centrifugal force urged tools {1} |
470 | DF | .~.~> Including conoid or wedge tool moving member {2} |
479 | DF | .~.~> Including gear actuated tool mover |
480 | DF | .~.~> Including lever actuated tool mover |
481 | DF | .~.~> Including hydraulically actuated tool mover |
482 | DF | .~.~> Including thread actuated tool mover {1} |
484 | DF | .~.~> Including resiliently urged tool {1} |