9 Scientific, surveying, optical, weighing, measuring, signaling and control apparatus and instruments, namely, apparatus and instruments for the measurement, regulation and analysis of microwave, high-frequency and millimeter-wave electromagnetic radiation and of plasmas generated by microwave, high-frequency and millimeter-wave electromagnetic radiation; industrial generators and related component parts for generating microwave, high-frequency and millimeter-wave electromagnetic radiation and plasma for plasma heating and industrial applications; magnetrons for generating electromagnetic radiation; apparatus and instruments for energizing microwave, radio-frequency and plasma generating apparatus and instruments and magnetrons; waveguides and their component parts for electromagnetic radiation delivery, in each case in particular for the high-frequency, microwave and millimeter-wave range; apparatus and instruments for generating, transmitting, guiding, converting, focusing and controlling microwaves and high-frequency radiation, and parts of the aforesaid goods, included in this class; amplifiers, antennas, electrical signal attenuators, optical couplers, couplers for electromagnetic radiation, electromagnetic measuring detectors, modulators, demodulators, modems, oscillators, optical phase shifters, phase shifters for electromagnetic radiation, electric converters, in each case especially for the high-frequency, microwave and millimeter-wave range; apparatus and instruments for conducting, switching, converting, storing, regulating and controlling electricity, including signal combiners, frequency detectors, diodes, limiters, transmitters, receivers, transponders, converters, switches, synthesizers, transformers, converters and integrated circuits, all included in this class; optical waveguides and their component parts for optical signal delivery; waveguides and their component parts for electromagnetic radiation delivery; electric microwave couplings; electronic components for microwave apparatus; microwave ovens for laboratory use; radio-frequency apparatus in the nature of generators and receivers; radio-frequency switching power supplies