STEP-IN
Controlled audio and video apparatus and fittings therefor, namely, electric, electronic, matrix and video-audio signal switches, audio and video processors, microphones, loudspeakers and display screens for producing and selectively transmitting audio and video in enclosed spaces; software for controlling audio, video and projecting accessories and computers in classrooms, boardrooms, conference rooms and auditoriums, enabling selective connection of input sources of audio and video signals,...
Cancelled · July 17, 2014 · 86340291 ·