retroreflective material
material that has a thin continuous layer of small retroreflective elements on or very near to its exposed surface
Note 1 to entry: This entry was numbered 17-1106 in CIE S 017:2011.
retroreflective material
material that has a thin continuous layer of small retroreflective elements on or very near to its exposed surface
Note 1 to entry: This entry was numbered 17-1106 in CIE S 017:2011.