DIFF Subgroup Additional Only
F21W 2131/105 of arenas or the like
Full Title
Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00 > Outdoor lighting > of arenas or the like
F21W 2131/105 Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00 > Outdoor lighting > of arenas or the like