Gebogene Spiegelhalterung Lehre physikalische konvexe Linse optisches Experiment konkav
10,81 €
Made of premium material, it is clear and excellent to use. The product is in simple design, but it is very useful and practical. 1 x handheld convex len 1 x handheld concave len 1 x bracket. Hand Sanding Block Sandpaper Holder with Handle Holders Work.
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