UNE-EN ISO 8257-1:2006 Plastics - Poly(methyl methacrylate) (PMMA) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 8257-1:1998)
2006UNE-EN ISO 8257-1:2006 Plastics - Poly(methyl methacrylate) (PMMA) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 8257-1:1998)