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fuse-holders; fuse-links; lamp fuse-holders; voltage selector switches; electric connectors and couplers, plug-in sockets for tubes and relays, test jacks and test probes; power entry modules consisting of various components, connectors, switches, fuse-holders, voltage selectors, mains filters; switches, push-button switches; input- and keyboard-systems comprised of design elements, cases, printed circuit boards, fixing parts, electric switches, electric indicators, displays, screens, overlays, shielding materials, cables, connecting elements, fuse-holders, fuse-links, connectors, input and output electronic units, passive electronic elements, resistors, capacitors, active electronic elements, transistors, micro-processors, integrated circuits, diodes, software; housings for domestic installations for fuse-links; electrical indicators, lamp holders for incandescent and neon lamps, and holders for light emitting diodes (LED)