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1 gen 200 anni a. C. - W: First known use of smelted iron to create steel.

Descrizione:

World: India was the first known to smelt iron with carbon to create steel, used to make swords, knives, and sewing needles.

Aggiunto al nastro di tempo:

History of Mathematics 2019

ByAly
16 lug 2019
2
0
1313

Data:

1 gen 200 anni a. C.
Adesso
~ 2226 years ago
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