DIN EN ISO 216 Writing paper and certain classes of printed matter - Trimmed sizes - A and B series, and indication of machine direction (ISO 216:2007); German version EN ISO 216:2007
DIN 9771:2008 history
2008DIN 9771:2008-08 Papers for Data Processing - Continuous Forms - Dimensions
2008DIN 9771:2008 Papers for Data Processing - Continuous Forms - Dimensions
1974DIN 9771:1974 Papers for Data Processing; Papers for Continuous Forms; Dimensions