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Applied Sciences | Free Full-Text | Factors Contributing to Increased Blast Overpressure Inside Modern Ballistic Helmets
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File:WW2 Norway German Luftwaffe Fallschirmjäger Paratrooper Parachutist steel helmet Stahlhelm Armed Forces Museum (Forsvarsmuseet) Oslo 2020-02-24 2957.jpg - Wikimedia Commons
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