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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 juin 1939 - Herman Staudinger identified makeup of styrol to be a "chain-like molecule, and the name of styrol then became polystyrene.
Ajouté au bande de temps:
Styrofoam cup timeline
By
Emma Kushnerock
8 oct. 2017
0
0
497
Date:
20 juin 1939
Maintenaint
~ Il y a 86 ans
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