 |
| |||
| B 接口移动交换局与来访位置登记器之间的接口 | |||
| B interface: 4 phrases in 4 subjects |
| Computer networks | 1 |
| Electronics | 1 |
| Information technology | 1 |
| United States | 1 |
|
| |||
| B 接口移动交换局与来访位置登记器之间的接口 | |||
| B interface: 4 phrases in 4 subjects |
| Computer networks | 1 |
| Electronics | 1 |
| Information technology | 1 |
| United States | 1 |