Electric lamp and discharge devices
Electrode and shield structures
Indirectly heated cathodes
Inventor
active
Cathode ray tube cathode
Fast warm up picture tube cathode cap having high heat emissivit
Fast warmup cathode and method of making same
Fireplace grate or the like
Low mass, indirectly heated, fast warm-up heater-cathode assembl
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Profile ID: LFUS-PAI-P-537350