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)
NORM herausgegeben am 1.6.1994
Designation standards: ÖNORM EN 24869-3
Note: UNGÜLTIG
Publication date standards: 1.6.1994
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM