ISO 1073-1:1976 Preview
Alphanumeric character sets for optical recognition -- Part 1: Character set OCR-A -- Shapes and dimensions of the printed image
This standard was last reviewed and confirmed in 2008. Therefore this version remains current.
Describes the forms of printed images and the sizes of alphanumeric characters as well as the signs and graphical symbols (OCR-A) intended for optical character reading according to ISO 646-1973.
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A standard is reviewed every 5 years
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