
Acoustics—Field measurement of sound insulation in buildings and of building elements—Part 1: Airborne sound insulation between rooms
NORMA vydaná dňa 28.1.2026
Designation standards: GB/T 19889.1-2026
Note: K dispozici od: srpen 2026
Publication date standards: 28.1.2026
Country: Chinese technical standard
Kategória: Technické normy GB