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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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21 set 1939 ano - Sveitsiske Paul Hermann Müller gjenoppdaget DDT.

Adicionado na linha do tempo:

DDT

ByIda Haugen
20 out 2017
0
0
493

Data:

21 set 1939 ano
Agora
~ 86 years ago
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