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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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6 ene 1857 año - Patent for reducing zinc ore granted to Samuel Wetherill, Penn
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By
Marie Gibaudan
19 nov 2019
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fecha:
6 ene 1857 año
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~ 168 years ago
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