Traffic and trunking principles in automatic telephony /

by G. S. Berkeley.
Bok · Engelsk · 1949 Gordon Spence Berkeley

Omfang	339 s. : ill., diagr., tab.
Utgave	2. rev. ed.
Emner	Telephone switching systems, Electronic Telephone systems Automattelefoni Automatiska telefonväxlar : https://id.kb.se/term/sao/Automatiska%20telefonv%C3%A4xlar Vis mer... Telefoni : https://id.kb.se/term/sao/Telefoni Telefoni
Dewey	621.385