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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 1934 año - A l'any 1934, Ruska i Knoll inventen el microscopi electrònic.
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La cèl·lula
By
Marcel MONSO SALMONS
6 feb 2020
0
0
303
fecha:
1 ene 1934 año
Ahora mismo
~ 91 years ago
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