8518 (01/1988-..) Microphones and stands therefor (excl. cordless microphones with built-in transmitter), loudspeakers, whether or not mounted in their enclosures, headphones and earphones, whether or not combined with a microphone, and sets consisting of a microphone and one or more loudspeakers (excl. telephone sets, hearing aids and helmets with built-in headphones, whether or not incorporating a microphone), audio-frequency electric amplifiers, electric sound amplifier sets, parts thereof

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