The Panzerkampfwagen IV ( PzKpfw IV ) , commonly known as the Panzer IV , was a German medium tank developed in the late 1930s .
The Panzerkampfwagen IV ( PzKpfw IV ) , commonly known as the Panzer IV , used extensively during the Second World War .
The Panzerkampfwagen IV ( PzKpfw IV ) , commonly known as the Panzer IV , was a German medium tank developed in the late 1930s and used extensively during the Second World War .