Polytron

Class [9]
Computer & Software Products & Electrical & Scientific Products

Television and radio aerials; aerial amplifiers, aerial filters, aerial combiners; power supply units, all for use with aerial amplifiers and portable radio receivers; frequency filters and frequency combining filters, selective and wide band high frequency amplifiers, modulators, demodulators, oscillators and frequency converters; parts and fittings for distributor systems; distributors, branching pieces, sockets, plug connectors, power supply units; all included in Class 9.