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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 janv. 1939 - DDT insecticide properties discovered by Swiss chemist Paul Müller
Ajouté au bande de temps:
wildlife tox timeline
By
AJ
28 déc. 2021
0
0
553
Date:
1 janv. 1939
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~ Il y a 86 ans
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