180x40mm Optical Glass Triangular Prism BK7 K9 with Spectrum Box for Teaching

42.89 GBP

Brand: ProductsPro

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Sponsored 180x40mm Long Triangular Prism BK7 K9 Optical Glass Physics Teaching Refracted Light Spectrum Children with Box

42.89 GBP 42.89 GBP

04-05-2026 18:53:53

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