LST EN ISO 1622-1:2012 Plastics - Polystyrene (PS) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 1622-1:2012)
LST EN ISO 1622-2:2000 Plastics - Polystyrene (PS) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 1622-2:1995)
AENOR, iso+1622
UNE-EN ISO 1622-1:2012 Plastics - Polystyrene (PS) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 1622-1:2012)
UNE-EN ISO 1622-2:2000 PLASTICS - POLYSTYRENE (PS) MOULDING AND EXTRUSION MATERIALS - PART 2: PREPARATION OF TEST SPECIMENS AND DETERMINATION OF PROPERTIES (ISO 1622-2:1995)
European Committee for Standardization (CEN), iso+1622
EN ISO 1622-2:1999 Plastics - Polystyrene (PS) Moulding and Extrusion Materials Part 2: Preparation of Test Specimens and Determination of Properties ISO 1622-2:1995