
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 7:Field measurements of impact sound insulation of floors
NORM herausgegeben am 29.7.2005
Designation standards: GB/T 19889.7-2005
Note: UNGÜLTIG
Publication date standards: 29.7.2005
Country: Chinese technical standard
Kategorie: Technische Normen GB