
Energy efficiency of electric lamps for household use. Measurement methods.
STANDARD published on 15.8.1999
Designation standards: BS EN 50285:1999
Publication date standards: 15.8.1999
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 0 580 32829 5 Status: Definitive