Occupational safety standards system. Hearing protectors. Simplified method for the measurement of insertion loss off ear-muff type protectors for quality inspection purposes
NORM herausgegeben am 1.9.2020
Designation standards: GOST 12.4.318-2019
Publication date standards: 1.9.2020
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 8.20
Amd. 7.23