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PTR Optics
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Manufacturer of precision optical components including gratings, HSE/NPL test slides, flats, filters, and monochromators. England.
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Codixx AG
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Manufacturer of polarizers for infrared, ultraviolet and visible spectra range, and of structured and LED based large display systems. Germany
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Unaxis Optics/Unaxis Balzers Ltd.
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Provider of coated optical components and subassemblies. Specializing in projection display, lighting, imaging, biotechnology, automotive, and instrumentation. Liechtenstein.
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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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