UPCE0 6-Digit is a type of Universal Product Code (UPC) barcode. The UPC-E format is a compressed version of the standard UPC-A barcode, designed to be used on smaller packages where space is limited. Specifically:

UPC-E: A 6-digit code that can be expanded to the full 12-digit UPC-A code.
UPCE0: Indicates a specific encoding pattern used in the UPC-E barcode. The ‘0’ in UPCE0 refers to a particular method of compressing the original 12-digit UPC-A code.
UPC-E barcodes are commonly used in retail for products like small food items, cosmetics, and other items where the full 12-digit barcode would be too large.

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