74686725
Jun 9, 1995
Jul 9, 1996
installation and repair of wired and wireless message, voice and data communications, storage and retrieval systems
Building Construction and Repairtraining in the use and operation of wired and wireless message, voice and data communications, storage and retrieval systems
Education and Entertainmentdesign, selection and commissioning for others of wired and wireless message, voice and data communications, storage and retrieval systems
Computer and Scientific