 |
| |||
| covered instrument | |||
| value document (A method for checking a prescribed optical security feature on a prescribed portion of a value document I. Havkin); security document (I. Havkin); secured document (I. Havkin) | |||
| защищённый документ: 8 phrases in 3 subjects |
| Computer networks | 1 |
| Law | 4 |
| Security systems | 3 |