DIN EN ISO 12781-1:2011-07 Geometrical product specifications (GPS) - Flatness - Part 1: Vocabulary and parameters of flatness (ISO 12781-1:2011); German version EN ISO 12781-1:2011
2011DIN EN ISO 12781-1:2011-07 Geometrical product specifications (GPS) - Flatness - Part 1: Vocabulary and parameters of flatness (ISO 12781-1:2011); German version EN ISO 12781-1:2011
2011DIN EN ISO 12781-1:2011 Geometrical product specifications (GPS) - Flatness - Part 1: Vocabulary and parameters of flatness (ISO 12781-1:2011); German version EN ISO 12781-1:2011
0000 DIN EN ISO 12781-1:2009
2008DIN ISO/TS 12781-1:2008 Geometrical product specifications (GPS) - Flatness - Part 1: Vocabulary and parameters of flatness (ISO/TS 12781-1:2003); German version CEN ISO/TS 12781-1:2007