Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, circuit boards, [ interface circuit cards, microcircuits, integrated circuits, integrated circuit sockets, ] switches for electronic circuits, connectors for electronic circuits, rectifiers, attenuators, voltage regulators, electronic loop controllers, alternating and direct current voltage converters, [ lightning arresters; ] apparatus for recording, transmission or reproduction of sound or images; [ blank magnetic data carriers; blank recording discs; ] automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; electronic components, namely, [ filters for electrical signals, surface acoustic wave filters, ] [ surface acoustic wave resonators, bulk acoustic wave filters, ] [ bulk acoustic wave resonators, ] [ thermistors, ] varistors [, LTCC modules, ] [ piezo electric sensors, piezo electric actuators, surge voltage arresters, switching spark gaps, microwave ceramics, chokes, ferrites, ferrite cores, inductors, inductive ferrite cores, conversion filters, ] [ power capacitors, aluminum electrolytic capacitors, ceramic capacitors and film capacitors ]