Introduction to telegraph engineering
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| Main Author: | |
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| Format: | Unknown |
| Published: |
Berlin
Siemens Aktiengesells-Charft
1974
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| Edition: | 2nd ed |
| Subjects: | |
| Online Access: | Click Here to View Status and Holdings. |
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Add Tag | Physical Description: | 155 p. ill |
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| ISBN: | 0800911892 |
Telephony & telegraphy A an introduction to telephone and telegraph instruments and exchanges 
The sovereign state of ITT