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Spectrogon manufactures and develops optical filters, optical coatings and holographic diffraction gratings
al mirrors  aluminium mirrors  au mirrors  bbar coatings  broad bandpass filters  longwave pass filters  mulitlayer filters  shortwave pass filters  Spectrogon  stock filters  surface mirrors  vcoating  vis filters  wide bandpass filters 
www.spectrogon.com - 2009-02-06
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Asahi Spectra supplies high-end optical filters and instruments for biomedical, fluorescence, solar cells, FPD inspection, lithography and astronomy.
halogen illuminator  led profiler  neutral density pass filters 
www.asahi-spectra.com - 2009-02-07
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interference filters
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ultrasonic cleaner
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hid lamp
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xenon light source
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xenon lamp
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halogen
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suction system
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hid
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