For citations:
Evdokimov V.I. Personal respiratory protective equipment: development of patenting and structure of inventions in the world (2000–2019). Medicо-Biological and Socio-Psychological Problems of Safety in Emergency Situations. 2021;(1):66-81. (In Russ.) https://doi.org/10.25016/2541-7487-2021-0-1-66-81