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2PCS Dia 200mm Optische PMMA Große Solar Fresnel-linse Brennweite 150 160 185 200mm Solar Konzentrator große Lupe - AliExpress

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1PC Dia 380mm Large Optical PMMA Plastic Solar Fresnel Lens

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500mm Big Size Fresnel Lens Large Optical PMMA Condenser Lens Long Focal Length Solar Energy Concentrator Thread Magnifier

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360mm Große Optische PMMA Kunststoff Solar Fresnel-linse Lange

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2-Pack Fresnel Lens 200 * 200MM Focal Length 100MM

Syneron Candela GentleMax 755 nm 1064 nm Laser 15mm Tip

2PCS 20mm Mini Round Optical PMMA Fresnel Lens Solar Condensing

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