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29 Nov 1992 Jahr - Patent Granted for Modern Bulletproof Glass

Beschreibung:

field by William P Stephenson, this patent is alternating sheets of slightly flexible polycarbonates and glass

Zugefügt zum Band der Zeit:

5 Okt 2018
0
1
314

Datum:

29 Nov 1992 Jahr
Jetzt
~ 32 years ago