This is what the Soviets were working on at that time. (MIG-15)
Yeah. Also, 1947 was the year that the F-86 made its maiden flight.
The UK Labor government gave Rolls-Royce Nene engines to the Soviets hoping to improve UK-Soviet relations. Sample engines were purchased and delivered with blueprints. This engine led to the development of the jet engine that powered the Mig-15.