| 315 / | HD | ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS |
| 1 | DF | CATHODE RAY TUBE CIRCUITS {11} |
| 3 | DF | .~ Combined cathode ray tube and circuit element structure {2} |
| 4 | DF | .~.~ Inductor or distributed parameter-type inductive structure {2} |
| 5 | DF | .~.~.~ Ray passes in or through a hollow distributed parameter device {15} |
| 5.24 | DF | .~.~.~.~ Deflecting or reflecting the ray {3} |
| 5.26 | | .~.~.~.~.~ Device deflects the ray {1} |
| 5.27 | DF | .~.~.~.~.~.~> Plural hollow devices |