Study of interconnection of private telecommunication systems with the systems of the telecommunication common carriers /
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Ottawa :
Information Canada,
1971.
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| Series: | Telecommission study
8(b,1 |
| Subjects: |
| Physical Description: | 1 vol. (various pagings). |
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