Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
NORMA vydána dne 28.12.2018
Designation standards: GB/T 17248.2-2018
Publication date standards: 28.12.2018
Country: Chinese technical standard
Kategorie: Technické normy GB