Description: Class 4: Industrial oils and greases; lubricants, namely, all purpose lubricants, lubricants for industrial machinery and industrial lubricants; dust absorbing and binding compositions; combustible fuels; and scented candles
Class 6: Common metals and their alloys; materials of metal for railway tracks construction; non-electric cables and wires of common metal; ironmongery, namely, boring bars in the nature of metal drill pipes for use in well boring; small items of metal hardware, namely, boring bars in the nature of metal drill pipes for use in well boring; pipes and tubes of metal; metal ores; unwrought and partly wrought common metals, all of the aforesaid being wholly or principally tungsten or alloys of tungsten
Class 9: Non-linear electric resistors and varistors composed mainly of ball clay, silicon carbide and graphite
Class 17: Insulating materials; transformer fluids in the nature of transformer oil; insulating oil for transformers; dielectric liquids consisting of esters and of modified hydrocarbons for the purpose of insulation to prevent short circuits and arcing in a transformer and also act as a heat transfer medium
