GOST 12.4.172-2014 Occupational safety standards system. Individual screen set for protection from power frequency fields. General technical requirements and test methods
2019GOST 12.4.172-2019 Occupational safety standards system. Personal protective means from power frequency electric fields. Personal screening suit. General technical requirements. Test methods
2014GOST 12.4.172-2014 Occupational safety standards system. Individual screen set for protection from power frequency fields. General technical requirements and test methods
1987GOST 12.4.172-1987 Occupational safety standards system. Individual screen set for protection from power frequency fields. General technical requirements and methods of control