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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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23 mar 1906 ano - Диод Флеминга
Adicionado na linha do tempo:
изобретения 20 века
By
Анна
21 nov 2017
0
0
572
Data:
23 mar 1906 ano
Agora
~ 119 years ago
Imagens:
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