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| 增值载波通信; 增值载波器 | |||
| 增值载波通信; 加值载波器 | |||
| 增值通信公司向其他公司租用电路，增设信息处理功能，提供公众服务的通信公司; 增值通信公司向其他公司租用电路，增设信息处理功能,提供公众服务的通信公司 | |||
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| 增值运营商 | |||
| 载波加值 | |||
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value-added carrier : 4 phrases in 3 subjects |
| Electronics | 1 |
| Information technology | 2 |
| Telecommunications | 1 |
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