NORMSERVIS s.r.o.

GB/T 21228.2-2023

Acoustics—Sound-scattering properties of surfaces—Part 2Measurement of the directional diffusion coefficient in a free field

NORMA vydána dne 23.5.2023

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The information about the standard:

Designation standards: GB/T 21228.2-2023
Publication date standards: 23.5.2023
Country: Chinese technical standard
Kategorie: Technické normy GB