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Who discovered tungsten filament lamp? |
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Answer» Answer: On 13 December 1904, Hungarian Sándor Just and Croatian Franjo Hanaman were granted a Hungarian patent (No. 34541) for a tungsten filament lamp that LASTED longer and gave BRIGHTER light than the carbon filament. Tungsten filament lamps were first marketed by the Hungarian company Tungsram in 1904. Explanation: HOPE THIS HELPS U |
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