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safty glass is used in world war 1 (8 ene 1914 año – 21 jun 1918 año)

Descripción:

To protect soldiers eyes, safty glass was incoprtated into eye holes of ww2 glass masks

Añadido al timeline:

bulletproof glass

Byenrique piedra
13 sep 2017
0
0
1202

fecha:

8 ene 1914 año
21 jun 1918 año
~ 4 years and 5 months
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