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Keystone Crystal Corporation
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Producer of cadmium telluride and cadmium zinc telluride products. Crystals grown, sawed, fabricated, and polished. Pennsylvania.
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Optek Manufacturing
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Custom components, specializing in odd shapes and sizes. Includes FAQ and business information. New Hampshire.
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ELAN Ltd.
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Optical shop specializing in fabrication of crystalline custom optics for polarizing, acousto-optical, electro-optical and nonlinear applications. Russia.
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