
Acoustics—Field measurement of sound insulation in buildings and of building elements—Part 1: Airborne sound insulation between rooms
NORM herausgegeben am 28.1.2026
Designation standards: GB/T 19889.1-2026
Note: Execute Date: august 2026
Publication date standards: 28.1.2026
Country: Chinese technical standard
Kategorie: Technische Normen GB