3439496300542 => Ean Finder to find the supplier of a product according to Gencod, Barcodes EAN, EAN13
EAN 13 bar code has 13 digits, it represents a product of a unique nature
and a fixed quantity in the world of manufactured goods. The 13 digits of a barcode can be separated
into 4 groups according to Rule 2 - 5 - 5 - 1. The first two digits identify the country
from which the bar code, 30 France, 86 China ... The following 5 digits the manufacturer,
and the last 5 digits are the manufacturer company's internal product code.
The last digit is not significant because it is automatically deducted from the 12 previous digits,
for the reading error control.