
MEASUREMENT OF NOISE EMITTED BY MACHINES: AIRBORNE NOISE EMISSION: ENVELOPING SURFACE METHOD: BASIC METHOD, DIVIDED INTO 3 GRADES OF ACCURACY
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
ISO 6081 : 1986 - Identical
ISO/DIS 3740 : 40.60 (2017) - Identical
ISO 6081 : 1986 - Identical
ISO 9614-1 : 1993(R2018) - Identical
ISO/DIS 11200 : 60.00 (2014) - Identical