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Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Children Students 25x25x80mm
Specifications:
- Origin: CN(Origin)
- Surface: 80/50
- Size: 144x84.5x51mm
- Model Number: M162295
- Material: glass
- Brand Name: DIDIHOU
- Free shipping
- 100 days returns
- Low prices
- 5 million products