Industrial working machines and apparatus for welding, brazing arc-cutting, gouging, melting and heating, and control apparatus and parts and fittings therefor; Torch moving apparatus for guiding a welding or a cutting torch along a preset locus and control apparatus and parts and fittings therefor; workpieces position-control machines for clamping, carrying and/or positioning workpieces to be welded or cut, and parts and fittings therefor; handling robots for clamping, carrying and/or positioning workpieces to be welded or cut, and parts and fittings therefor; Workpieces conveyers and sliders for clamping, carrying or positioning workpiece to be welded or cut, and parts and fittings therefor; welding fume blowers for exhausting fume into external atmosphere and parts and fittings therefor; cooling water circulating pumps for cooling welding/cutting torches and parts and fittings therefor; welding fume/dust collectors with electrostatic filter; flexible vacuum tubes for collecting and exhausting fume and/or dust produced in welding operation and parts and fittings therefor; Machines and apparatus for laser welding, laser cutting, laser heat treating, laser drilling, laser scribing, laser surface alloying, laser shock hardening, laser transformation hardening, or laser cladding of metallic or non-metallic (plastic, glass, ceramic, leather, rubber and wood) and control apparatus and parts and fittings therefor; welding machines and parts and fittings therefor; welding control apparatus and parts and fittings therefor; Flux recovery vacuum pumps for use in submerged arc welding and parts and fittings therefor; welding wire feeding units and parts and fittings therefor; hard facing machines, control apparatus for hard-facing machines, parts and fittings for all the aforesaid goods; arc gouging machines, Control apparatus for gouging machines, parts and fittings for all the aforesaid goods; brazing machines, control apparatus for brazing machines; arc cutting machines, control apparatus for arc welding machines, parts and fittings for all the aforesaid goods; compressors for arc cutting, and parts and fittings therefor; industrial robots for electric welding, arc cutting, melting, heating, sealing or handling and control apparatus and parts and fittings therefor; industrial robots for laser welding, laser cutting, laser heating, treating, laser drilling, laser scribing, laser surface alloying, laser shock hardening, laser transformation hardening, or laser cladding of metallic or non-metallic (plastic, glass, ceramics, leather, rubber and wood) materials and control apparatus and parts and fittings therefor; industrial robots, welding robots, arc cutting robots, arc welding robots, multi purpose handling robots, handling robots, deburring robots, light machining robots, drilling robots, parts and fittings for all the aforesaid goods; control mechanisms for all the aforesaid robots; sliders for carrying torches, sliders for carrying workpieces, positioners for clamping, carrying and positioning workpieces; laser welding machines, carbon dioxide laser welding machines, control apparatus for laser welding machines, parts and fittings for all the aforesaid goods - all included in Class 7.

Electric controllers for industrial working machines and apparatus for welding, arc-cutting, grazing, hard facing, melting, arc-gouging and heating; electric controllers for industrial robots for electric welding, arc-cutting, melting, heating, sealing or handling, and parts and fittings therefor; electric transformers; electric reactors; electric switchboards (distribution panels); electric relays; electric switches; electric disconnecting switches; circuit breakers; electric control apparatus for power receiving and distribution; electric connectors; parts and fittings for all the aforesaid goods; electrostatic welding fume/dust collectors and parts and fittings therefor; voltmeters, ammeters and wattmeters all for use in supervising and controlling power system equipped with transformers; voltmeter-recorders, ammeter-recorders or wattmeter-recorders all for use in supervising and controlling transformers; voltage indicators for checking power supply; electric signal transmitting systems to transmit cautionary or alarming signals for use with power system equipped with transformers; voltmeters, ammeters and phasemeters all for use in detecting and indicating breakdown in power system equipped with transformers; electric signal transmitting systems for controlling power system equipped with transformers; arc voltage detectors; magnetic disks and optical disks all encoded with welding program; volt-integrating detectors with alarm system*; electric wire communication systems for supervising service interruption and open phase in power system equipped with transformers, and parts and fittings therefor; distribution boards; laser generators; power sources for lasers; controllers for laser welding, laser cutting, laser heat treating, laser drilling, laser scribing, laser surface alloying, laser shock hardening, laser transformation hardening, or laser cladding of metallic or non-metallic (plastic, glass, ceramic, leather, rubber and wood) materials, and parts and fittings therefor; welding power units and parts and fittings therefor; welding power supplies and parts and fittings therefor; Electric and electronic controls for welding machines and apparatus and parts and fittings therefor; control apparatus and power supplies for facing machines and parts and fittings for all the aforesaid goods; control apparatus and power supplies for gouging machines and parts and fittings for all the aforesaid goods; control apparatus and power supplies for brazing machines and parts and fittings for all the aforesaid goods; control apparatus and power supplies for arc cutting machines and parts and fittings for all the aforesaid goods; voltage reducers for preventing electric shock to the human body (being safety devices); control apparatus for industrial robots and parts and fittings therefor; power units and power supplies for industrial robots; sensors for detecting position of workpieces; control apparatus and power supplies for laser welding machines, and parts and fittings for all the aforesaid goods - all included in Class 9 *These detectors are for counting and indicating how many times arc-startings have been performed and for giving cautionary alarm when the arc-starting is about to be performed excessively (The detectors are adapted to indicate deterioration of electrodes which gradually become deteriorated each time the arc-starting is performed).