Electrical communication machines and instruments of audio and video, namely, apparatus and instruments for recording, transmitting, reproducing, processing, storing, boardcasting or streaming sound, images or data; audio amplifiers; amplifiers; preamplifiers; loudspeakers; wireless speakers; headsets; headphones; earphones; microphones; audio mixers; audio interfaces; digital sound processors; digital voice signal processors; graphic equalizers; digital audio players; audio recorders; video ...

Electronic Web Tension Controllers for Use in the Textile and Paper Industry