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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jul 1738 ano - English metallurgist William Champion is granted a patent for his process of extracting zinc from other materials in a furnace

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10 dias atrás
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Data:

1 jul 1738 ano
Agora
~ 287 years ago