Type 97 automatic cannon
The Type 97 automatic cannon (九七式自動砲, Kyū-nana-shiki-jidōhō) is a 20-millimeter (0.8 in) Japanese anti-tank rifle that began development in the 1930s. It was used by the Imperial Japanese Army (IJA) during the Second Sino-Japanese War, the Soviet–Japanese border conflicts and the Pacific War.