[ Access control and alarm monitoring systems; Alarm monitoring systems; ] Audio-video receivers; [ Cabinets for loudspeakers; Electric connections; Electric connections and connectors; Electric contacts; Electric door bells; Electrical connections; Electrical plugs and sockets; Headphones; LCD monitors for security purposes; ] Loudspeakers [ ; Sound reproduction apparatus; Sound transmitting apparatus ]

'access':1 'alarm':4,7 'apparatus':43,46 'audio':11 'audio-video':10 'bell':27 'cabinet':14 'connect':18,20,29 'connector':22 'contact':24 'control':2 'door':26 'electr':17,19,23,25,28,30 'headphon':34 'lcd':35 'loudspeak':16,40 'monitor':5,8,36 'plug':31 'purpos':39 'receiv':13 'reproduct':42 'secur':38 'socket':33 'sound':41,44 'system':6,9 'transmit':45 'video':12

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