| 365 / | HD | STATIC INFORMATION STORAGE AND RETRIEVAL |
| 129 | DF | SYSTEMS USING PARTICULAR ELEMENT {26} |
| 134 | DF | .~ Continuous cells {1} |
| 135 | ![]() | .~.~ Elongated or bar-shaped cell {4} |
| 136 | DF | .~.~.~> Twisters |
| 137 | DF | .~.~.~> Tubular |
| 138 | DF | .~.~.~> Chain |
| 139 | DF | .~.~.~> Plated wire |