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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. List of duplicating processes - Wikipedia

   en.wikipedia.org/wiki/List_of_duplicating_processes

   Some are mechanical and some are chemical. There is naturally some overlap with printing processes and photographic processes, but the challenge of precisely duplicating business letters, forms, contracts, and other paperwork prompted some unique solutions as well. There were many short-lived inventions along the way.

4. 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.

5. List of GS1 country codes - Wikipedia

   en.wikipedia.org/wiki/List_of_GS1_country_codes

   UPC-A compatible - Used to issue restricted circulation numbers within a company 050–059: UPC-A compatible - GS1 US reserved for future use 060–099: UPC-A compatible - United States: 100–139 United States: 200–299: Used to issue GS1 restricted circulation number within a geographic region [1] 300–379 France and Monaco: 380 Bulgaria ...

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. GS1 DataBar Coupon - Wikipedia

   en.wikipedia.org/wiki/GS1_DataBar_Coupon

   GS1 Databar Coupon barcode sample GS1 DataBar barcode symbol encoding a GTIN-12 number GS1 DataBar Stacked Omni-Directional barcode symbol encoding 00123456789012. The GS1 Databar Coupon code has been in use in retail industry since the mid-1980s. At first, it was a UPC with system ID 5. Since UPCs cannot hold more than 12 digits, it required ...