ISO 12656:2001, Micrographics -- Use of bar codes on aperture cards

This International Standard specifies the type, dimensions, and positions of the coding on aperture cards that comply with ISO 3272-3.This International Standard is applicable to OCR characters, bar codes, Hollerith, and printed Hollerith codes. It is not applicable to compressed bar codes. This title may contain less than 24 pages of technical content.