FIELD: technological processes.
SUBSTANCE: identification label 1 is applied inseparably on a metal product 2. The information digital number 3, the information grid 4, and the non-reproducible matrix 5 are applied to the product 2 for jointly entering said number 2 and the non-reproducible matrix 5 to the database for the label identification. The identification label 1 is installed by welding with the product 2. An additional information grid 7 is applied to the welding seam 6, and the digital product code 3, the information grid 4 with individual information contained in the matrix 5, and the additional information grid 7 containing individual information along the entire label 1 perimeter about the welding seam 6 are simultaneously entered to the database of identification labels.
EFFECT: increasing the protection reliability of legal products.
2 cl, 3 dwg
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