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Priority claimed from US08/699,230external-prioritypatent/US5761356A/en
Application filed by Cogent Light Technologies, Inc.filedCriticalCogent Light Technologies, Inc.
Publication of HK1021841A1publicationCriticalpatent/HK1021841A1/zh
Publication of HK1021841BpublicationCriticalpatent/HK1021841B/zh