7 PCS K9 Physics Optical Prisms Double Concave Cylindrical Lens for Primary & Secondary Students Physics Teaching Equipment
sku: 32965088343
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$58.39
Shipping from: China
Technical Details
| Angle Tolerance: | +/-1 |
| Brand Name: | yegren |
| Dimension Tolerance: | +/-0.5mm |
| Flatness: | Others |
| Material: | Glass |
| Model Number: | HL-7P |
| Shape: | Irregular Shape |
| Surface Quality: | 80/50 |
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