433 / | HD | DENTISTRY |
25 | DF | APPARATUS {20} |
49 | DF | .~ Work support {3} |
53 | DF | .~.~ Including means to support plural workpieces for relative movement {1} |
54 | DF | .~.~.~ Articulator or attachment therefor {7} |
61 | DF | .~.~.~.~ Having pivot and additional adjustment between workpiece supporting means {2} |
65 | .~.~.~.~.~ Rectilinear adjustment only between supporting means and pivot |