 |
| |||
| post, telephone and telegraph | |||
| почта, телефон , телеграф: 3 phrases in 3 subjects |
| Electronics | 1 |
| High frequency electronics | 1 |
| Scientific | 1 |
|
| |||
| post, telephone and telegraph | |||
| почта, телефон , телеграф: 3 phrases in 3 subjects |
| Electronics | 1 |
| High frequency electronics | 1 |
| Scientific | 1 |