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2 résultats pour : 1844-1940

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Franz Hantschel (Born October 4, 1844 In Kottowitz
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Franz Hantschel (Born October 4, 1844 In Kottowitz

Edward branly, french scientist and medecine doctor, inventor physicist, professor, involved in wireless telegraphy and detecting radio waves 1906
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Edward branly, french scientist and medecine docto...