Acoustic couplers; audio- and video-receivers; loudspeakers; dictating machines; acoustic alarms; sound reproduction apparatus; sound recording apparatus; sound transmitting apparatus; acoustic conduits; cabinets for loudspeakers; megaphones; portable media players; transmitters of electronic signals; converters, electric; amplifiers; record players; compact disc players; DVD players; sirens

'acoust':1,11,22 'alarm':12 'amplifi':37 'apparatus':15,18,21 'audio':3 'cabinet':24 'compact':40 'conduit':23 'convert':35 'coupler':2 'dictat':9 'disc':41 'dvd':43 'electr':36 'electron':33 'loudspeak':8,26 'machin':10 'media':29 'megaphon':27 'player':30,39,42,44 'portabl':28 'receiv':7 'record':17,38 'reproduct':14 'signal':34 'siren':45 'sound':13,16,19 'transmit':20 'transmitt':31 'video':6 'video-receiv':5

COPRA

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