MATERIALES PLASTICOS. POLIESTIRENO PARA MOLDEO Y EXTRUSION. PARTE 1: DESIGNACION
PLASTICS. POLYSTYRENE (PS) MOULDING AND EXTRUSION MATERIALS PART 1: DESIGNATION
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83.080.20 / Thermoplastic materials
CTN 53/SC 0 - Plásticos
ISO 1622-1:1985 (Identical)
It is cancelled by: UNE-EN ISO 1622-1:2000
Cancel: UNE 53049:1979