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2. Universal Product Code - Wikipedia

   en.wikipedia.org/wiki/Universal_Product_Code

   A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...

3. Price look-up code - Wikipedia

   en.wikipedia.org/wiki/Price_look-up_code

   PLU stickers with the number 4130 identifying them as Large Cripps Pink apples PLU code 4033 are for regular small lemon sold in the U.S.. Price look-up codes, commonly called PLU codes, PLU numbers, PLUs, produce codes, or produce labels, are a system of numbers that uniquely identify bulk produce sold in grocery stores and supermarkets.

4. List of GS1 country codes - Wikipedia

   en.wikipedia.org/wiki/List_of_GS1_country_codes

   Used to issue GS1 restricted circulation number within a geographic region [1] 300–379 France and Monaco: 380 Bulgaria: 383 Slovenia: 385 Croatia: 387 Bosnia and Herzegovina: 389 Montenegro: 400–440 Germany (440 code inherited from former East Germany upon reunification in 1990) 450–459 Japan (new Japanese Article Number range) 460–469

5. GS1 - Wikipedia

   en.wikipedia.org/wiki/GS1

   GS1 introduced the barcode in 1974. [8] A barcode encodes a product identification number that can be scanned electronically, making it easier for products to be tracked, processed, and stored. Barcodes improve the efficiency, safety, speed and visibility of supply chains across physical and digital channels.

6. Global Trade Item Number - Wikipedia

   en.wikipedia.org/wiki/Global_Trade_Item_Number

   The Global Trade Item Number (GTIN) is an identifier for trade items, developed by the international organization GS1. [1] Such identifiers are used to look up product information in a database (often by entering the number through a barcode scanner pointed at an actual product) which may belong to a retailer, manufacturer, collector, researcher, or other entity.

7. International Article Number - Wikipedia

   en.wikipedia.org/wiki/International_Article_Number

   The International Article Number (also known as European Article Number or EAN) is a standard describing a barcode symbology and numbering system used in global trade to identify a specific retail product type, in a specific packaging configuration, from a specific manufacturer.