 |
| |||
| protection of national security information (4uzhoj) | |||
| secret-keeping (nytimes.com Alex_Odeychuk) | |||
| охрана государственной тайны: 5 phrases in 4 subjects |
| General | 1 |
| Intelligence and security services | 2 |
| Security systems | 1 |
| Soviet | 1 |
|
| |||
| protection of national security information (4uzhoj) | |||
| secret-keeping (nytimes.com Alex_Odeychuk) | |||
| охрана государственной тайны: 5 phrases in 4 subjects |
| General | 1 |
| Intelligence and security services | 2 |
| Security systems | 1 |
| Soviet | 1 |