00543naa#a2200157#i#450# EN\\bibl\99236 20260117134550.6 2071-7318 20250811b2025####ek#y0engy0150####ca RU DEVELOPMENT OF THE DESIGN AND CHECKING THE PERFORMANCE OF AN IMPROVED MODEL OF A CATAPULT FOR OPENING A LADLE Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2025 9 с. Journal article local Ponamaryova E. A. naukaru.ru