 |
| |||
| direct distance dialing | |||
| intercity dialing; intercity direct dialing | |||
| автоматическое установление междугородного соединения: 6 phrases in 3 subjects |
| Communications | 3 |
| Electronics | 2 |
| Mass media | 1 |
|
| |||
| direct distance dialing | |||
| intercity dialing; intercity direct dialing | |||
| автоматическое установление междугородного соединения: 6 phrases in 3 subjects |
| Communications | 3 |
| Electronics | 2 |
| Mass media | 1 |