Acoustic membranes; Bags adapted for laptops; Cabinets for loudspeakers; Computer mouse; Electric door bells; Loudspeakers; Measuring rulers; Microphones; Scales; Spectacle chains; Spectacle cords; Vibration dampeners for electronic audio equipment; Wireless speakers; Wrist rests for use with computers; Loudspeaker cabinets; Measuring tapes

'acoust':1 'adapt':4 'audio':28 'bag':3 'bell':14 'cabinet':7,39 'chain':21 'comput':10,37 'cord':23 'dampen':25 'door':13 'electr':12 'electron':27 'equip':29 'laptop':6 'loudspeak':9,15,38 'measur':16,40 'membran':2 'microphon':18 'mous':11 'rest':33 'ruler':17 'scale':19 'speaker':31 'spectacl':20,22 'tape':41 'use':35 'vibrat':24 'wireless':30 'wrist':32

ZHENGRUN

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