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} |