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Rectangular glass brick frosted rectangular physical and optical experimental equipment teaching instrument

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High-Performance Metal Alloy Ceramic Tile Cutting Wheel - Glass Brick Cutter Knife with 10,000 Cut Length

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7 Pieces Set Optical Prism Double Convex Concave Lens Half Cylinder Trepazoid Prism Glass Brick Students Experiment Tools

👍: 100.0%

7 Pieces Set Optical Prism Double Convex Concave Lens Half Cylinder Trepazoid Prism Glass Brick Students Experiment Tools

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10 PCS 6mm Titanium Drill Bits Set Cross Spear Head Drill Bit Hex Shank Tile Porcelain Marble Ceramic Glass Brick Drilling Tools

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5 Pieces Set Optical Glass Prism and Lens Glass Brick Right Angle Prism Double Concave Convex Half Cylinder Lens for Physical

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