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29 nov 1992 - Patent Granted for Modern Bulletproof Glass
Description:
field by William P Stephenson, this patent is alternating sheets of slightly flexible polycarbonates and glass
Ajouté au bande de temps:
5 oct. 2018
0
1
213
IED Timeline
Date:
29 nov 1992
Maintenaint
~ Il y a 31 ans