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Alkor Technologies - Russian manufacturer of crystal optical components according to customer's specifications. Optical windows, lenses, prisms, beamsplitters ...
www.alkor.net - 2009-02-14
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Supplier of optical materials and precision optical components made of fused silica, fused and crystalline quartz, sapphire, calcium fluoride, lithium fluoride, ...
scintillation crystals. 
www.almazoptics.com - 2009-02-12
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