Keywords: 1939 Armata Przeciwlotnicza wz 37mm pic2.JPG 1939 Armata Przeciwlotnicza wz 37mm own 2012-06-18 13 27 59 AlfvanBeem CC-zero Military related photographs by Alf van Beem Museum of Weapons and Military Items Swidnica 61-K anti-aircraft guns in Polish service |