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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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2 jan 1939 ano - Siemens produced the first commercial transmission electron microscope
Adicionado na linha do tempo:
Josie
By
Josie
8 nov 2017
0
0
430
Data:
2 jan 1939 ano
Agora
~ 86 years ago
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