Polymeric materials, cellular flexible - Polyurethane foam for load-bearing applications excluding carpet underlay - Specification (ISO 5999:1982); German version EN ISO 5999:2004— 18 стр.
Flexible cellular polymeric materials - Polyurethane foam for load-bearing applications excluding carpet underlay - Specification (ISO 5999:2007); German version EN ISO 5999:2007— 20 стр.