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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jun 1791 año - Nicholas Leblanc patented a method of making sodium carbonate or soda ash
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Dina Bawazeer
1 nov 2018
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fecha:
1 jun 1791 año
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~ 234 years ago
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