ELECTRON DISCHARGE DEVICE OF THE HIGH VACUUM TRIODE TYPE ADAPTED FOR OPERATION AS AMPLIFIER MODULATOR OR OSCILLATOR AT SHORT WAVES, ULTRA-SHORT WAVES, AND MICRO WAVES

Parts of machines and machine tools, namely, electronic relays and switches for monitoring, testing and remote controlling of industrial working procedures; sensor and proximity switches for conveyor systems, packaging machines, machine tools, automatic machines and production lines for controlling, switching, registering, detecting, positioning, monitoring and counting objects; parts of machined and machine tools, namely, electronic relays and switches for monitoring, testing and remote cont...

ELECTRONIC RELAYS, SWITCHES, EXCLUDING RELAYS AND SWITCHES RELATING TO IGNITION SYSTEMS FOR INTERNAL COMBUSTION ENGINES, METAL SEPARATORS FOR SEPARATING ELECTRICALLY CONDUCTIVE PARTICULATE MATERIAL FROM ELECTRICALLY NONCONDUCTIVE MATERIAL IN A MIXTURE OF THE TWO