PROTECH
Commercial, Industrial, and Professional Audio, Sound, Communications & Related Electronic Equipment Used in Sound Reinforcement, Broadcasting, Recording, Reproducing, Audio Processing, Sound Shaping and Control, Public Address, Intercommunications and Paging Systems-Namely, Audio Operational Amplifiers; Printed Circuit Cards, Including, Switchers, Preamplifiers, Amplifiers, Limiters, Compressors, Mixers, Distribution Amplifiers, Power Supplies, Filters, Transformers, Tone Sensors, Remote Con...
Registered · June 26, 1981 · 73316646 ·