
Method of Test for Light Reflectance of Acoustical Materials by the Integrating Sphere Reflectometer
NORM herausgegeben am 1.1.1987
Designation standards: ASTM C523-68(1987)
Note: UNGÜLTIG
Publication date standards: 1.1.1987
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM