Stationary electric air curtain without heat source, KALASHNIKOV trade mark, model KVC-C20V-11 (modified version) Stationary electric air curtain without heat source, KALASHNIKOV trade mark, model KVC-C15V-11 (modified version) Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C20E18-31 (modified equipment) Stationary electric heat curtain, trade mark "KALASHNIKOV", model KVC-C15E9-31 (modified configuration) Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C20E24-31. Stationary electric heat curtain, KALASHNIKOV trademark, model KVC-C10E6-01 Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C10E6-01 (modified equipment) Stationary electric heat curtain, KALASHNIKOV trademark, model KVC-C15E12-31 Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C20E12-31 (modified equipment) Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C15E9-31. Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C15E6-01 (modified equipment) Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C15E15-31. Stationary electric heat curtain, "KALASHNIKOV" trademark, model KVC-C15E12-31 (modified equipment) Stationary electric heat curtain, KALASHNIKOV trade mark, model KVC-C10E12-31 Stationary electric air curtain without heat source, KALASHNIKOV trade mark, model KVC-C15V-11 Stationary electric heat curtain, "KALASHNIKOV" trade mark, model KVC-C10E9-31.