классы мкту - SERP Analysis

https://mktu.info/

https://onlinepatent.ru/mktu/

https://mktu.net/

https://rospatent.gov.ru/content/uploadfiles/obshchaya-chast-mktu-11-2022.pdf

https://www.garant.ru/gardium/guide/mktu/%3Ferid%3D4CQwVszH9pWuJkt5re3

https://legal-support.ru/mktu/

https://www.fips.ru/publication-web/classification/mktu%3Fview%3Dindex

https://mktu.org/

https://ru.wikipedia.org/wiki/%25D0%259C%25D0%25B5%25D0%25B6%25D0%25B4%25D1%2583%25D0%25BD%25D0%25B0%25D1%2580%25D0%25BE%25D0%25B4%25D0%25BD%25D0%25B0%25D1%258F_%25D0%25BA%25D0%25BB%25D0%25B0%25D1%2581%25D1%2581%25D0%25B8%25D1%2584%25D0%25B8%25D0%25BA%25D0%25B0%25D1%2586%25D0%25B8%25D1%258F_%25D1%2582%25D0%25BE%25D0%25B2%25D0%25B0%25D1%2580%25D0%25BE%25D0%25B2_%25D0%25B8_%25D1%2583%25D1%2581%25D0%25BB%25D1%2583%25D0%25B3

https://www.tm-patent.ru/classification.html%3Fsrsltid%3DAfmBOopu1JKl9eWhX31JI1TYPWvP3MoSirY_woSaH-3k1RPo1DjiG08G