Electric, electronic, optical, measuring, signaling, controlling and teaching apparatus and instruments namely electricity meters; gas meters; heat meters; water meters; energy cost allocators, all the afore-mentioned with direct display and/or with interface for wire line or wireless readout of the data; wireless data transmission modules and radio transmitters and radio receivers for reading of electricity, heat, water and gas meters; remote optical readers connected to the energy meters; d...

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission, processing and reproduction of sound, images or data; magnetic data carriers; automatic vending machines and mechanisms for coin-operated apparatus; calcula...