"2.5"^^ . . "The KV-13 was an experimental Soviet medium tank created during World War II. It was developed on the KV-1 chassis in the SKB-2 design bureau of the Chelyabinsk Kirov Plant in late 1941 \u2013 early 1942, as a \"universal\" tank, intended to replace the production of T-34 medium tanks and KV-1 heavy tanks at the same time."@en . . "2.8"^^ . "KV-13"@en . .