Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer at a 0.2 Degree Observation Angle
NORMA vydaná dňa 1.2.2008
Označenie normy: ASTM E1709-08
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.2.2008
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
portable retroreflectometers, retroreflection, Geometric analysis--paints/related coatings/materials, Portable retroreflectometers, Retroreflective marking materials, Symbols, Traffic signs/control, ICS Number Code 17.180.20 (Colours and measurement of light), 93.080.30 (Road equipment and installations)