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OPTICAL GLASS
MATERIALS
1. Fluor Crown
2. Light Crown
3. Crown
4. Phosphate Crown
5. Barium Crown
6. Dense Crown
7. Lanthanum Crown
8. Special Crown
9. Crown Flint
10. Light Flint
11. Flint
12. Barium Flint
13. Dense Barium Flint
14. Dense Flint
15. Lanthanum Flint
16. Tantalum Flint
17. Special Flint
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