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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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14 magg 1920 anni - Carothers discovers polylactic acid while conducting research for DuPont.
Aggiunto al nastro di tempo:
PLA cup timeline
By
Emma Kushnerock
8 ott 2017
0
0
527
Data:
14 magg 1920 anni
Adesso
~ 105 years ago
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