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Randy discusses the ELS Expo, reconnect with the night sky at PitchDark, Signify gives recommendations for mercury-free lighting, NLB to join as education partner for the LHRC, and Seoul Viosys successfully protects its Violeds patent.
By EdisonReport4.2
66 ratings
Randy discusses the ELS Expo, reconnect with the night sky at PitchDark, Signify gives recommendations for mercury-free lighting, NLB to join as education partner for the LHRC, and Seoul Viosys successfully protects its Violeds patent.

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