00621naa#a2200181#i#450# EN\NORMA\bibl\56380 20240726013233.5 1605-6590 20230103b2023####ek#y0engy0150####ca RU The Requirement of Unity of Invention: Results of a Study of Russian and International Legal Regulations Journal article Moscow Legal publishing house Norm 2023 0 с. Journal article local Право. Юридические науки. 34 Ivliev Grigoriy Petrovich Alekseeva Ol'ga Lenarovna naukaru.ru