74521701
May 3, 1994
Oct 31, 1995
electrical power supplies - multiplexer interface boards, data input multiplexers; voice channel circuit cards and data channel circuit cards sold as a unit together with manuals
Electrical and Scientific Apparatuseducational services, namely conducting classes, seminars and workshops in the field of digital mutiplexers, and training in the field of digital multiplexers
Education and Entertainment