| |||
| 局号; 交换局号 | |||
|
exchange code : 9 phrases in 6 subjects |
| Economics | 1 |
| Exhibitions | 1 |
| Information technology | 2 |
| Quality control and standards | 1 |
| Securities | 1 |
| Telecommunications | 3 |
| |||
| 局号; 交换局号 | |||
|
exchange code : 9 phrases in 6 subjects |
| Economics | 1 |
| Exhibitions | 1 |
| Information technology | 2 |
| Quality control and standards | 1 |
| Securities | 1 |
| Telecommunications | 3 |