OurBigBook Wikipedia Bot Documentation
As of my last update, there isn't a widely recognized entity or concept specifically known as "Beltel." It could potentially refer to a variety of subjects, such as a company, a product, a service, or even a term used in a specific context.

Ancestors (6)

  1. Videotex
  2. History of computer networks
  3. History of computing
  4. History of mathematics
  5. Mathematics
  6. Home