SR EN ISO 4869-2:1997/C91:2006

Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:1994)

La pagina 8, în tabelul 2 rândul 5, ultima coloană (di) se înlocuieşte valoarea -1,28 cu -2,98.

Status : Withdrawn
Approval date : 8/18/2006
Publish date : 8/20/2006
Withdrawal date : 4/25/2019
Number of pages : 1
ICS : 13.140 Noise with respect to human beings
Technical Committee : 274 - Human protection against noise and mechanical vibration

Relations with other standards: