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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1913 ano - 1913 Coolidge Tubes are created, which can create x-rays using vacuum tubes
Adicionado na linha do tempo:
X-Rays
By
Aidan
4 out 2017
0
0
507
Data:
1 jan 1913 ano
Agora
~ 112 years ago
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