73211057
Apr 9, 1979
Jan 11, 1983
Fiber Optic Products-Namely, Optical Fibers and Fiber Optic Cables and Parts Thereof and Fiber Optic Information Transmission Systems Principally Comprising Transmitters and Receivers, Fiber Optic Cables, Repeaters, Couplers, and Connecters
Electrical and Scientific ApparatusInstallation of Fiber Optic Telecommunication Systems and Other Fiber Optic Information Transmission Systems
Building Construction and RepairFiber Optic Data Telecommunication Services and Other Fiber Optic Information Transmission Services
TelecommunicationsDesign, Engineering, Consulting and Testing Services in the Field of Fiber Optics
Computer and Scientific