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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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5 h 42 m, 1 jan 1932 ano - The phase contrast microscope was invented.
Adicionado na linha do tempo:
microscope through the years
By
Kaitlyn Hornung
28 set 2017
0
0
457
Data:
5 h 42 m, 1 jan 1932 ano
Agora
~ 93 years ago
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