Electronic switching.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Chicago :
Telephony Pub. Co.,
[1966?]
|
| Subjects: |
| Item Description: | Reprinted from Telephony, the journal of the telephone industry. Includes bibliographical references. |
|---|---|
| Physical Description: | 122 pages : illustrations ; 28 cm. |