| 摘要 |
FIELD: information technologies. ^ SUBSTANCE: counterfeit protection device comprises an identification numerical number and a shock-track membrane with three marked pores, which is located between optically transparent plates enclosed into a vessel, and the identification numerical number includes a group of numbers, which are functionally identified with full lengths or lengths of head or tail parts of a triangle ribs, tops of which are combined with centres of three marked pores. ^ EFFECT: increased reliability of items counterfeit protection. ^ 12 dwg |
