Optical filters; power supplies, namely, electrical power supplies and power supplies for lights, lighting equipment, and lighting apparatus; electric and electrical voltage transformers for lights, beam lamps, and headlights; voltage control apparatus for lights, beam lamps, and headlights, namely, LED drivers and lighting ballasts; electric fluorescent lamp ballast for lights, spotlights, floodlights and other lighting elements, other than being parts for the aforesaid goods; light dimmers,...

HIGH TEMPERATURE REFRACTORY MORTAR