Birger Ljungström

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Birger Ljungström
Birger Ljungström c.1920.jpg
Birger Ljungström (circa 1920)
Born (1872-07-04)4 July 1872
Died 17 November 1948(1948-11-17) (aged 76)
Nationality Swedish
Alma mater Royal Institute of Technology
Occupation Engineer
Technical designer

Birger Ljungström (4 June 1872 – 17 November 1948) was a Swedish engineer, technical designer, industrialist, and inventor.[1] Together with his brother Fredrik Ljungström, he accounted for hundreds of patents.