gtin12Canonical URL: http://schema.org/gtin12
The GTIN-12 code of the product, or the product to which the offer refers. The GTIN-12 is the 12-digit GS1 Identification Key composed of a U.P.C. Company Prefix, Item Reference, and Check Digit used to identify trade items. See GS1 GTIN Summary for more details.
Usage: Between 10 and 100 domains
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Schema Version 3.3