Design of automatic telephone exchanges.
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| 主要作者: | |
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| 格式: | 图书 |
| 语言: | English German |
| 出版: |
[München]
Siemens
[1962-67, v. 1 1967]
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| 主题: |
书本目录:
- v. 1. Circuit units and functions. - v. 2. Principals and planning.