Speaking tubes; branch boxes [electricity]; telephone receivers; transmitters for the transmission of electronic signals; radios; intercommunication apparatus; radiotelephony sets; telephone apparatus; transmitters (telephone); walkie-talkies; hands-free kits for telephones; acoustic conduits; acoustic membranes used in sound recording or reproducing apparatus; speakers; microphones; sound transmitting apparatus; acoustic couplers; headphones; headsets

'acoust':33,35,49 'apparatus':17,21,43,48 'box':4 'branch':3 'conduit':34 'coupler':50 'electr':5 'electron':13 'free':29 'hand':28 'hands-fre':27 'headphon':51 'headset':52 'intercommun':16 'kit':30 'membran':36 'microphon':45 'radio':15 'radiotelephoni':18 'receiv':7 'record':40 'reproduc':42 'set':19 'signal':14 'sound':39,46 'speak':1 'speaker':44 'talki':26 'telephon':6,20,23,32 'transmiss':11 'transmit':47 'transmitt':8,22 'tube':2 'use':37 'walki':25 'walkie-talki':24

ADDA

Owner

Goods & Services