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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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14 maio 1920 ano - Carothers discovers polylactic acid while conducting research for DuPont.
Adicionado na linha do tempo:
PLA cup timeline
By
Emma Kushnerock
8 out 2017
0
0
526
Data:
14 maio 1920 ano
Agora
~ 105 years ago
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