Occupational safety standards system. Personal protective means of hear body. Method for estimation of noise reduction using fitting by inexperienced test subjects
NORMA vydána dne 1.11.2025
Designation standards: GOST R 12.4.307-2024
Publication date standards: 1.11.2025
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST