| |||
| 数据通信控制规程 | |||
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Data Communications Control Procedure : 5 Phrasen in 3 Thematiken |
| Elektronik | 2 |
| Informationstechnik | 1 |
| Luftfahrt | 2 |
| |||
| 数据通信控制规程 | |||
|
Data Communications Control Procedure : 5 Phrasen in 3 Thematiken |
| Elektronik | 2 |
| Informationstechnik | 1 |
| Luftfahrt | 2 |