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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 mar 1948 año - Andrew J Moyer, was granted a patent for a method of the mass production of penicillin.
Añadido al timeline:
discovery of penicilin
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pat
7 dic 2017
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412
fecha:
31 mar 1948 año
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~ 77 years ago
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