1. Principles of electricity applied to telephone and telegraph work; a training course text prepared for employees of the Long Lines Department, American Telephone and Telegraph Company, January, 1953 ]electronic resources[
پدیدآورنده :
کتابخانه: Central Library of Sharif University of Technology (Tehran)
موضوع : ، Telephone,، Telegraph,، Electricity
رده :
TK
5261
.
A5
1953
2. Telephony & telegraphy A: an introduction to telephone and telegraph instruments and exchanges
پدیدآورنده : Smith, Sydney F
کتابخانه: Central Library of Sharif University of Technology (Tehran)
موضوع : ، Telephone,، Telegraph
رده :
TK
6161
.
S6