Telecommunication for technicians /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Harmondsworth :
Penguin,
1967-.
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| Series: | Penguin library of technology,
T1 (49) Penguin education X4 |
| Subjects: |
| Physical Description: | v. : tables, diagrs. ; 21 cm. |
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