NF T50-007-2:2010 Plastics - Polybutene-1 (PB-1) moulding and extrusion materials - Part 2 : preparation of test specimens and determination of properties.
2010NF T50-007-2:2010 Plastics - Polybutene-1 (PB-1) moulding and extrusion materials - Part 2 : preparation of test specimens and determination of properties.
0000 NF T50-007-2/A1:2000
1995NF T50-007-2:1995 Plastics - Polybutene (PB) moulding and extrusion materials - Part 2 : preparation of test specimens and determination of properties.