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30 nov 1986 año - First polycarbonate helmet

Descripción:

Poly-carbonate added more durability but at the same time made it even lighter

Añadido al timeline:

Timeline of the american football helmet

ByRickey Arionus

5 dic 2018

1

0

1801

fecha:

30 nov 1986 año

Ahora mismo

~ 38 years ago

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