Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 5: Thermoplastic polyester (TP) homopolymers and copolymers (ISO 1628-5:1998); German version FprEN ISO 1628-5:2014
Plastics - Recycled Plastics - Plastics recycling traceability and assessment of conformity and recycled content; German version EN 15343:2007— 12 стр.