ASTM C523-68(1987)

Method of Test for Light Reflectance of Acoustical Materials by the Integrating Sphere Reflectometer

NORMA vydána dne 1.1.1987

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The information about the standard:

Designation standards: ASTM C523-68(1987)
Note: NEPLATNÁ
Publication date standards: 1.1.1987
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM