GOST 12.4.156-1975 Occupational safety standards system. Industrial filtering gaz masks and respirators. Nephelometric method for determination of all-service canisters penetration coefficient of oil mist
GOST 12.4.158-1990 Occupational safety standards system. Means for individual protection of breathing organs. Methods of testing all-service canisters protection time against noxious vaporous contaminants*, 1990-04-19 Update
GOST 12.4.159-1990 Occupational safety standards system. Means for individual protection of breathing organs. Methods of testing all-service canisters protection time against noxious gaseous contaminants*, 1990-04-19 Update
GOST 12.4.160-1990 Occupational safety standards system. Means for individual protection of breathing organs. Method of testing all-service canisters protection time against carbon monoxide*, 1990-04-19 Update
GOST 12.4.161-1975 Occupational safety standards system. Industrial filtering gas masks and respirators. Method of testing all-service canisters protection time against mercury vapours
GOST 8762-1975 Round threading diameter 40 mm for gas-mask with the gauges main dimensions and the tolerances*, 2024-04-19 Update
GOST 12.4.122-1983 history
2020GOST 12.4.122-2020 Occupational safety standards system. Respiratory protective devices. Gas filters and combined filters of large external dimensions. General specifications
1983GOST 12.4.122-1983 Occupational safety standards system. All service canisters for protective masks. Specifications