4x4x18cm Physics Optical Glass Children Toy Triangular Prism School Science Experiment Educational Teaching Aids for Children
Характеристики
| Angle Tolerance: | for children |
| Brand Name: | wsryxxsc |
| Dimension Tolerance: | for children |
| Flatness: | for children |
| Model Number: | 4x4x18cm |
| Shape: | Triangle |
| Surface Quality: | Toy for Child |
| Материал: | Bak7 Optical Glass |
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