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15 dez 1913 ano - JJ Thompson Invented The Mass Spectrometer
Descrição:
JJ Thompson invented the Mass spectrometer for working out the weight of atoms at the age 57.
Adicionado na linha do tempo:
Chemistry Timeline
By
s870831
1 out 2018
0
0
237
Data:
15 dez 1913 ano
Agora
~ 110 years ago
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