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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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17 jun 1847 año - Antiseptics invented by Ignaz Semmelweis
Añadido al timeline:
Industrial Revolution
By
Shruti Srinivasan
24 dic 2017
0
0
594
fecha:
17 jun 1847 año
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~ 178 years ago
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