97912246
Apr 28, 2023
Transmitters of electronic signals; Transmitting sets (telecommunication); Modems; Optical communications instruments; Wireless communication devices for voice, data or image transmission; Optics; Fibre optics; Optical instruments for use in inspection and measurement of industrial components; Prisms for optics purposes; Light conducting filaments; Optical lenses; Spectroscopes
Electrical and Scientific Apparatus