Plastics - Polyketone (PK) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO/DIS 21970-2:2017); German and English version prEN ISO 21970-2:2017
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Plastics - Polyketone (PK) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO/FDIS 21970-1:2019); German and English version prEN ISO 21970-1:2019— 17 стр.
Plastics - Polyketone (PK) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 21970-1:2018); German version EN ISO 21970-1:2018— 17 стр.
Plastics - Polyketone (PK) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 21970-2:2018); German version EN ISO 21970-2:2018— 17 стр.