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HANS CHRISTIAN ANDERSEN
ANDERSEN GARAIKO ASMAKARIAK
LEHENENGO PILA
1800 Alessandro Volta
DINAMOA
1821 Michael Faraday
BRAILLE ALFABETOA ITSUENTZAT
1824 Louis Braille
DAGERROTIPOA Argazkiaren hastapenak
1837 Louis-Jacques-Mandé Daguerre
ANESTESIA
1842 Crowford Long
TELEFONOA
1876 Alexander Graham Bell
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