| 445 / | HD | ELECTRIC LAMP OR SPACE DISCHARGE COMPONENT OR DEVICE MANUFACTURING |
| 1 | DF | PROCESS {13} |
| 23 | DF | .~ With assembly or disassembly {8} |
| 29 | ![]() | .~.~ Including electrode or getter mounting {4} |
| 30 | DF | .~.~.~> CRT mask mounting |
| 31 | DF | .~.~.~> Getter mounting |
| 32 | DF | .~.~.~> Incandescent filament mounting |
| 33 | DF | .~.~.~> Plural electrode mounting {1} |