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Use the GTIN-13 code printed just below the barcode of any kind of product. If the code is composed of only 12 digits, add a zero in front of the code to get a valide GTIN-13 code.
Use the GTIN-13 code printed just below the barcode of any kind of product. If the code is composed of only 12 digits, add a zero in front of the code to get a valide GTIN-13 code.
