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There are some inventions and their inventiors
aspirin-Garhart(france) -1853
Baictriya-leeven hawk(needarland) -1676
Bleaching powder-teenent(england)-1798
Chlorine-sheele(sweden)-1774
D.N.A. Structure-crick,wilkins(england),Wattson(America)-1951
Heart transplantation-Barnard(south africa)-1967
H.I.V.virus-Gallo(america)-1984
Insulin-baiting(canada),maikliyod(Britain)-1922
Oxygen-preestly-(england)-1774
Ozone-shonbeen(germany)-1840
Exray-röntjen(germany)-1895
Videogame-Bushnale(america)-1972
Typewriter-sowles,souley,glyden(america)-1867
Tranjister-shakley,braten,bardeen(america)(1948)
Tyre-donlap(britain)-1888


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