4. Electric lamp and discharge devices
  5. With character display
  6. Gaseous discharge medium

Walter K. Brinn

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Copper-steel composite lead wire and use in incandescent filamen

Electric lamp and discharge devices – With character display – Gaseous discharge medium
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Higher efficiency incandescent lighting units

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Load device and impedance
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