DS DS/EN 24869-3
DS DSEN 24869-3 1994-MAR-22 Acoustcs - Hearng protectors - Part 3 Smplfed method for the measurement of nserton loss of ear-muff type protectors for qualty nspecton purposes
Cart
(empty)
This standard specifies a method for measuring the insertion loss of ear-muff type hearing protectors for quality inspection purposes.