Technical Patent Glossary Entry

Term ID: 885092
Source ID: 5
Last Modified: 20110223

Chinese (Traditional): 菲涅爾透鏡
English: Fresnel lenses

IPC Classifications: -G/03/B/21/60 -G/01/N/21/27 -G/01/B/11/30 -G/01/J/3/50 -G/01/N/21/57 -G/01/N/21/88 -G/01/N/21/84 -G/01/B/11/30 -G/01/N/21/956 -G/01/N/21/958 -H/01/L/21/66 -G/02/B/3/0 -G/02/B/3/0 -G/03/B/21/60