74162723
May 2, 1991
Mar 30, 1993
electronic and electrical engineering devices, components, and elements; namely, electrical and electronic switching, reporting, command, and control devices, [ proximity limit switches, electronic switching amplifiers, time delay relays, amplifier relays, rpm monitors, level monitors, plug-in electronic switching and amplifier modules, ] inductive terminal connectors, [ electronic interface modules for electrical insulation of two or more potential levels and housings which can be snapped onto a top-hat (DIN) rail for electrical and electronic devices ]
Electrical and Scientific Apparatus