UNE-EN ISO 21302-1:2020 Plastics - Polybutene-1 (PB-1) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 21302-1:2019)
2020UNE-EN ISO 21302-1:2020 Plastics - Polybutene-1 (PB-1) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 21302-1:2019)