. "45 mm 20-K" . "45-mm anti-tank gun M1937 (53-K)" . "45mm gun" . "45 mm anti-tank guns" . . . . . . "45 mm anti-tank gun M1937" . "45mm guns" . "45 mm anti-tank gun M1937 (53-K)" . "45 mm M1937 AT gun" . . . . . "45 mm anti-tank gun M1937" . "45mm antitank guns" . "45 mm anti-tank gun M1937 (53-K)" . "45 PSTK 37" . . "53-K" . "95mm F39" . "45mm" . "45 mm gun" . "45 mm M1937 anti-tank gun" . . "6.4" . "45mm cannon" . . "45-mm antitank gun" . "45 PSTK 38" . "Soviet ZIK 45 mm anti-tank gun" . . . "560000.0" . . "45 mm L/44 Mark I ''modelo 1939''" . "45mm anti-tank gun" . . . "45 mm anti-tank" . . "45-mm gun" . . . "45 PSTK 38-41" . "Soviet 45 mm" . "45mm anti-tank guns" . "21-K" . "45-mm ATG" . . "45 mm anti-tank gun M1938 (53-K)" . . .