Industrial fans—Determination of fan sound power levels under standardized laboratory conditions—Part 2:Reverberant room method
NORMA vydána dne 28.12.2023
Designation standards: GB/T 34877.2-2023
Note: K dispozici od: červenec 2024
Publication date standards: 28.12.2023
Country: Chinese technical standard
Kategorie: Technické normy GB