NF T50-007-2*NF EN ISO 21302-2:2019 Plastics - Polybutene-1 (PB-1) moulding and extrusion materials - Part 2 : preparation of test specimens and determination of properties
2019NF T50-007-2*NF EN ISO 21302-2:2019 Plastics - Polybutene-1 (PB-1) moulding and extrusion materials - Part 2 : preparation of test specimens and determination of properties