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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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8 Feb 1858 Jahr - Paul Louis Simond
Beschreibung:
French army physican
Working w/ pastuer
experimente with rats if fleas can transmit fleas to eachother.
Zugefügt zum Band der Zeit:
new disease
By
Tassya
14 Dez 2018
1
0
558
Datum:
8 Feb 1858 Jahr
Jetzt
~ 167 years ago
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