DELLON

Interior leak detectors for industrial pipeline, container and mechanical equipment; Surveying machines and instruments; Precision instruments for manipulation and positioning of microscopic objects; Leak detectors for industrial pipeline and containers; Inspection mirrors; Oculars; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Remote control telemetering machines and apparatus; Electronic pipeline detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Electric installations for the remote control of industrial operations