UNE-EN ISO 9773:1998 PLASTICS. DETERMINATION OF BURNING BEHAVIOUR OF THIN FLEXIBLE VERTICAL SPECIMENS IN CONTACT WITH A SMALL-FLAME IGNITION SOURCE. (ISO 9773:1998).
1998UNE-EN ISO 9773:1998 PLASTICS. DETERMINATION OF BURNING BEHAVIOUR OF THIN FLEXIBLE VERTICAL SPECIMENS IN CONTACT WITH A SMALL-FLAME IGNITION SOURCE. (ISO 9773:1998).