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Edouard benedicts secures us paptent for safety glass (8 janv. 1914 – 21 juin 1914)

Description:

after successfully patenting his lamminted safty glass in france in 1909

Ajouté au bande de temps:

bulletproof glass

Byenrique piedra
13 sept. 2017
0
0
1471

Date:

8 janv. 1914
21 juin 1914
~ 5 months and 14 days
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