| 摘要 |
FIELD: technological processes. ^ SUBSTANCE: method consists in the fact that drop of colouring agent is applied in the area of label surface limited with frame or reference marks, this drop forms natural stain, which is later photographed, and produced image is digitised and included in data base as unique criterion of product. Suggested invention excludes practically any chance to counterfeit the label, has low prime cost and does not require performing label expertise by experts, in order to identify its authenticity. ^ EFFECT: exclusion of counterfeit with low prime cost. ^ 1 ex |
