Development of computer software, in particular for welding equipment, controls and quality control; software development of new welding methods or new weld materials for such methods

Loudspeakers, Loudspeaker Boxes, Loudspeaker Legs, Loudspeaker Holders, Loudspeaker Cables; Earphones; Microphones; Megaphones; Tone Pick-Ups and Parts for the Aforementioned Goods

computers used with communications systems