| 369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
| 176 | DF | DYNAMIC MECHANISM SUBSYSTEM {8} |
| 178 | DF | .~ Access of multiple storage elements (e.g., record changer) {14} |
| 191 | ![]() | .~.~ Storage disc fed to and removed from turntable {4} |
| 192 | DF | .~.~.~> Plural disc holder having unitary separating structure |
| 193 | DF | .~.~.~> Grouped removal with sequential feed |
| 194 | DF | .~.~.~> Coplanar storage |
| 195 | DF | .~.~.~> Both sides of disc used |