NA 027
DIN Standards Committee Optics and Precision Mechanics
Pre-standard
[Withdrawn]
ISO/TS 16976-7
ISO/TS 16976-7
Respiratory protective devices - Human factors - Part 7: Hearing and speech
Title (German)
Atemschutzgeräte - Physiologische Faktoren des Menschen - Teil 7: Hören und Sprechen
Responsible national committee
NA 027-02-04 AA - Occupational respiratory protective devices