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21 fev 1856 ano - Bessemer Process by Henry Bessemer and William Kelly
Descrição:
Easier, cheaper, and more efficient to make strong steel.
Adicionado na linha do tempo:
4 set 2018
0
0
165
US History Timeline
Data:
21 fev 1856 ano
Agora
~ 168 years ago
Imagens:
