NA 005
DIN Standards Committee Building and Civil Engineering
Technical rule
[CURRENT]
VDI 3731 Blatt 2
VDI 3731 Blatt 2
Characteristic noise emission values of technical sound sources; fans
Title (German)
Emissionskennwerte technischer Schallquellen; Ventilatoren
Responsible national committee
NA 001-01-04 AA - Noise emission of machinery and equipment; measurement, reduction, data collection
