9 Oil level sensors, Level sensors for liquid levels in reservoirs and in containers, Object detecting sensors for detecting obstacles around vehicles, Non-contact measuring apparatus for measuring liquid levels in reservoirs and in containers, Displacement sensor for industrial purposes, Sonic sensors for measuring levels in reservoirs and in containers, Electronic measuring devices for measuring electrostatic levels on surfaces for industrial purpose, Range sensors for detecting obstacles around vehicles, Powerline filters, Laminated filter for electronic circuit, Ozonisers, Ionization apparatus for scientific and laboratory use, in particular electrostatic eliminator bars, nozzles, blowers, ion guns and light irradiation apparatus, Electrically operated ionization apparatus for scientific and laboratory use, ionization devices for measurement, neutralization, production and/or adjustment of static electricity, Apparatus for measuring electrostatic charge, Electrostatic ionizing air guns, blowers and nozzles for removing static from surfaces, Electrostatic locators and checkers for use in measuring and monitoring electrostatic charge including electrostatic ionizing clean rooms and cabinets, Cameras for inspector for industrial purposes, Software for optical character recognition, Diagnostic apparatus for testing food, Optical inspection apparatus for industrial use, Barcode reader, Electric signaling frequency Band-Filter, Electrostatic neutralizing equipment, Electrostatic ionizing equipment in particular electrostatic ionizing plotters and precipitators for reducing particulate emission in industrial applications, Electrostatic monitoring equipment for electrostatic levels on surfaces an in containers