Tungsram was a manufacturing company located in Hungary and known for their light bulbs and electronics. Established in Újpest (today part of Budapest, Hungary) in 1896, ...
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it initially produced telephones, wires and switchboards. The name "Tungsram" is a portmanteau of tungsten (/ˈtʌŋstən/ TUNG-stən) and wolfram (/ˈwʊlfrəm/ WUUL-frəm), the two common names of the metal used for making light bulb filaments.Before becoming nationalized by the Communist government in 1945, the company was the world´s third largest manufacturer of light bulbs and radiotubes, after the American General Electric and RCA companies.