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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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16 déc. 1909 - Ehrlich carried out work on lead poisoning from which he evolved the theory that was to guide much of his subsequent work
Ajouté au bande de temps:
Engineering 2 9/29/17
By
Josiah Valery
2 oct. 2017
0
0
872
Date:
16 déc. 1909
Maintenaint
~ Il y a 115 ans
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