Acoustics—Noise emitted by machinery and equipment Determination of emission sound pressure level at a workstation and at other specified position from the sound power level
NORMA vydána dne 18.3.1998
Designation standards: GB/T 17248.4-1998
Note: NEPLATNÁ
Publication date standards: 18.3.1998
Country: Chinese technical standard
Kategorie: Technické normy GB