73 / | HD | MEASURING AND TESTING |
570 | DF | VIBRATION {10} |
662 | DF | .~ Vibrator {4} |
663 | .~.~ Table, platform, or other support {5} | |
664 | DF | .~.~.~> Circuitry |
665 | DF | .~.~.~> Having fluid bearing or fluid pressure actuated |
666 | DF | .~.~.~> Having spring support |
667 | DF | .~.~.~> Eccentrically vibrated |
668 | DF | .~.~.~> Electromagnetically vibrated |