75617297
Jan 8, 1999
phone wall plate/receiver systems for integrating broadcast and network services, comprising receivers, distributors for redistributing broadcast and network audio and audio/visual signals, and connectors
Electrical and Scientific Apparatusinstallation of telephone wall plate/receiver systems for integrating broadcast and network services, comprising receivers, distributors for redistributing broadcast and network audio and audio/visual signals, and connectors
Building Construction and Repair