Occupation safety standards system. Personal hearing protective equipment. General technical requirements. Mechanical test methods
NORMA vydána dne 1.7.2012
Designation standards: GOST R 12.4.255-2011
Note: NEPLATNÁ
Publication date standards: 1.7.2012
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST