Report copyright - 300 lm/W 70 lm/W 16 lm/W 0,1 lm/W - Nobel Prize · 0,1 lm/W GLÖDLAMPA (1800-tal) OLJELAMPA (Ca 15 000 f.Kr.) LYSRÖRSLAMPA (1900-tal) LED (2000-tal) 300 lm/W 70 lm/W 16 lm/W Illustration:
Please pass captcha verification before submit form