Electronic Conference Communication Systems Consisting of Audio Units, Control Units, Receiving Units, Transmitting Units, Voting Units, and Parts Therefore and Accessories Thereto-Namely, Microphones, Headphones, Loudspeakers, Power Supplies, Plugs and Sockets, Telephone Couplers, Public Address Couplers, and Cables

'accessori':21 'address':36 'audio':7 'cabl':39 'communic':3 'confer':2 'consist':5 'control':9 'coupler':34,37 'electron':1 'headphon':26 'loudspeak':27 'microphon':25 'name':24 'part':18 'plug':30 'power':28 'public':35 'receiv':11 'socket':32 'suppli':29 'system':4 'telephon':33 'therefor':19 'thereto':23 'thereto-nam':22 'transmit':13 'unit':8,10,12,14,16 'vote':15

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