Q:What type of details about sigurd akre-aas can be gathered from the following bio? Bio: sigurd akre-aas -lrb- 12 june 1897 -- 18 june 1968 -rrb- was a norwegian olympic fencer . he competed at the 1924 and 1928 summer olympics . he also won the national championships in the 1920s -- most of them with the sabre -lrb- 1922 , 1923 , 1925 , 1926 and 1928 -rrb- . in his private life , he was an engineer specialising in refrigerator systems . he survived the war years as an inventor of small household appliances . the company he started in 1946 still exists .
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