GOST R 12.4.191-2011 Occupational safety standards system. Respiratory protective devices. Filtering half masks to protect against particles. General specifications
GOST R 12.4.189-1999 Occupational safety standards system. Respiratory protective devices. Masks. General specifications
GOST R 12.4.194-1999 Occupational safety standards system. Respiratory protective equipment. Particles filters. General specifications
GOST R 12.4.233-2007 Occupational safety standards system. Respiratory protective devices. Terms and definitions
GOST R EN 13274-7-2009 Occupational safety standards system. Respiratory protective devices. Methods of test. Part 7. Determination of particle filter penetration
GOST R 12.4.191-2011 history
2011GOST R 12.4.191-2011 Occupational safety standards system. Respiratory protective devices. Filtering half masks to protect against particles. General specifications
1999GOST R 12.4.191-1999 Occupational safety standards system. Respiratory protective devices. Filtering half masks to protective against particles. General specifications