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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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17 h 16 m, 19 dez 1915 ano - Engineers S. E. Bramer, Jacob Roth, F. R. S. Kaplan, Simon Loeb and William Smith, Sr. create the first permanent metallurgical bond between copper and steel in Rankin, Pennsylvania

Adicionado na linha do tempo:

12 nov 2017
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0
704

Data:

17 h 16 m, 19 dez 1915 ano
Agora
~ 109 years ago