Beas9elbuzz9 Beas9elbuzz9
  • 03-02-2017
  • History
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When was the electron microscope invented?

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KurdishPotato
KurdishPotato KurdishPotato
  • 03-02-2017
in 1933 by Max Kroll and Ernst Ruska
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¿de que esta formada una hacha de antes?