1. Einfuhrung in die Fernsprech-Nebenstellentechnik. Goslar, Verlag Erich Herzog
Author: Schonfeld, W H
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Telephone
Classification :
TK
6162
.
S3
2. Einfuhrung in die fermsperch-nebenstellentechnik
Author: / von W. H. Schonfeld, Eric Herzog
Library: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)
Subject: Telecommunication,Telephone,Electronics
Classification :
TK
5105
.
S3
