Preferred term
Fresnel-valonheittimet
Type
- OMA-käsite
Broader concept
Entry terms
- Fresnel-heittimet
In other languages
English
- Fresnel lanterns
- Fresnel spotlights
- Fresnels
Swedish
- fresnelstrålkastare
- fresneler
URI
http://www.yso.fi/onto/koko/p93782