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GS1-128 Barcodes

The GS1-128 (formally called EAN/UCC 128) symbology is a variation of the original Code 128 symbology designed primarily for use in product identification applications. The EAN/UCC 128 specification uses the same code set as Code 128 except that it does not allow function codes FNC2-FNC4 to be used in a symbol and FNC1 is used as part of the start code in the symbol. The check digit in EAN/UCC128 symbols is also calculated slightly differently than in Code 128.


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