369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
176 | DF | DYNAMIC MECHANISM SUBSYSTEM {8} |
215 | DF | .~ Having power driven transducer assembly {6} |
219 | DF | .~.~ With drive transverse to storage track during storage or retrieval {4} |
220 | .~.~.~ Controlled by transducer assembly support |