9 ELECTRICAL FILTERS FOR DEMAGNETIZING ELECTRICAL DEVICES, NAMELY, PHOTOCOPY MACHINES, ELECTRONIC GAMING MACHINES, COMPUTERS, TELEVISIONS, VCRs, COMPUTER PRINTERS AND AUDIO EQUIPMENT, NAMELY, RADIOS, AUDIO RECORDERS; OPTICAL FILTERS; ELECTRONIC BALLASTS; ELECTROSTATIC NEUTRALIZERS FOR NEUTRALIZING ELECTROSTATIC CHARGES; AC/DC CONVERTERS; MAGNETIC ELECTRICAL DEGAUSSERS; LIGHTNING ARRESTERS; POWER SUPPLIES; UNINTERRUPTIBLE POWER SUPPLIES; VOLTAGE SURGE SUPPRESSORS; ACOUSTIC COUPLERS; CHARGERS FOR ELECTRIC BATTERIES; CIRCUIT BREAKERS; COVERS FOR ELECTRIC OUTLETS; ELECTRICAL COUPLERS FOR DATA PROCESSING EQUIPMENT; ELECTRIC COILS; ELECTRIC SOCKETS; PLUGS AND CONNECTORS; ELECTRIC COUPLINGS; ELECTRONIC DISCHARGE TUBES, NOT FOR LIGHTING; VOLTAGE REGULATORS FOR ELECTRIC POWER; ELECTRICITY INVERTERS; ELECTRICITY TRANSFORMERS; ELECTROMAGNETIC COILS; HOLDERS FOR ELECTRIC COILS; IMPEDANCE CHOKING COILS; INSULATED COPPER ELECTRIC WIRES; INTEGRATED CIRCUITS; SPARK-GUARDS FOR PREVENTING ELECTRICAL SPARK DISCHARGE; VOLTAGE SURGE PROTECTORS