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![Hemispherical lens that used to generate a concentration ratio of [7]. | Download Scientific Diagram Hemispherical lens that used to generate a concentration ratio of [7]. | Download Scientific Diagram](https://www.researchgate.net/profile/Khalid-Shibib/publication/317033841/figure/fig1/AS:496121911169024@1495296089063/Hemispherical-lens-that-used-to-generate-a-concentration-ratio-of-7_Q320.jpg)
Hemispherical lens that used to generate a concentration ratio of [7]. | Download Scientific Diagram
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