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1 h 1 jan 1928 ano - First Thermite joint weld

Descrição:

Attempts to joint weld tram rails were successful at the beginning of the 20th century, the first railroad tracks were also continuously welded in 1928 for the German Reichsbahn.

Adicionado na linha do tempo:

Evolution of boom

ByJoseph paier
7 nov 2019
0
0
176

Data:

1 h 1 jan 1928 ano
Agora
~ 96 years ago
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