Global Ultraviolet Germicidal Lamp Market By Type (Instant Start Germicidal Ultraviolet Lamps, Preheat Germicidal Ultraviolet Lamps, and Cold Cathode Germicidal Ultraviolet Lamps), By Application (Beverage Industry, Food Industry, and Medical industry), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028