
ACOUSTICS. HEARING PROTECTORS. PART 3: SIMPLIFIED METHOD FOR THE MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS FOR QUALITY INSPECTION PURPOSES. (ISO/TR 4869-3:1989).
NORMA vydaná dňa 31.12.1994
Designation standards: UNE-EN 24869-3:1994
Note: NEPLATNÁ
Publication date standards: 31.12.1994
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE