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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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9 mar 1921 año - Se establece la Secretaría de Agricultura y Fomento
Añadido al timeline:
Evolución de la Investigación Científica en México
By
Isis Valdes
12 oct 2017
2
0
39547
fecha:
9 mar 1921 año
Ahora mismo
~ 104 years ago
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