BS ISO IEC 15420 pdf download Information technology — Automatic identification and data capture techniques — EAN/UPC bar code symbology specification 1Scope This International Standard specifies the requirements for the bar code symbology known as EANUPC. Itspecifies EANUPC symbology characteristics, data character encodation, dimensions, tolerances, decodingalgorithms and parameters to be defined by applications.lt specifies the Symbology ldentifier prefix stringsfor EAN/UPC...