Llwytho...
Introduction to Telephones and Telephone System
| Awduron Eraill: | , |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
Norwood
Artech House
1986
|
| Pynciau: |
| Disgrifiad o'r Eitem: | Bibliog on p. 171n- 72 |
|---|---|
| Disgrifiad Corfforoll: | xi, 177 p. |