
Acoustics - Test Code For The Measurement Of Airborne Noise Emitted By Rotating Electrical Machinery - Part 1: Engineering Method For Free-field Conditions Over A Reflecting Plane
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
1991 [01/11/1991]
Supersedes DIN 45635-10 (07/2002)
ISO 1680-1:1986 - Identical