Niklewicz-Pijaczyńska M. ROLE OF THE PATENT SYSTEM IN THE INTERNATIONALI-ZATION OF THE DIFFUSION OF TECHNICAL KNOWLEDGE. ees [Internet]. 2019 Dec. 20 [cited 2024 Dec. 22];19(3 (51):253-6. Available from: https://czasopisma.uni.opole.pl/index.php/ees/article/view/581