Earphones (other than hearing aids for the deaf); Earphones for radios; Earphones for recording apparatus; Audio speakers; Audio speakers for automobiles; Audio speakers for home; Electric leads for speakers; Public address speaker systems; Speakers (audio equipment); Apparatus for amplifying sound; Apparatus for electronic recording of sound; Apparatus for recording sound; Apparatus for the reproduction of sound or images; Apparatus for the transmission of sound; Electric amplifiers (sound); Sound amplifiers; Stereophonic sound units; Ear plugs for divers; Audiovisual apparatus; Audiovisual devices (apparatus); Audiovisual photographic instruments; Glasses for optical use; Optical frames; Optical glass; Optical glasses; Optical lamps; Sunglasses being optical apparatus; Sunglasses being optically corrected; Apparatus for measuring; Apparatus for measuring distance; Apparatus for measuring humidity; Apparatus for measuring liquids; Apparatus for measuring noise; Apparatus for measuring overheat; Apparatus for measuring pressure; Apparatus for measuring temperature (other than for medical purposes); Apparatus for measuring the temperature of fluids; Apparatus for measuring the thickness of skins; Appliances for measuring the thickness of leather; Instruments for measuring length; Acoustic apparatus for reproducing sound; Apparatus for reproducing video; Electronic reproducing machines (photographic, electrostatic or thermic); Film reproducing apparatus; Film reproducing instruments; Music reproducing apparatus (other than musical instruments); Music reproducing instruments (other than musical instruments); Sound reproducing apparatus; Sound reproducing apparatus with microphone