DIN EN ISO 8257-1 Berichtigung 1:2006
Plastics - Poly(methyl methacrylate) (PMMA) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 8257-1:1998); German version EN ISO 8257-1:2006, Corrigenda to DIN EN ISO 8257-1:2006-06