DIN EN ISO 21970-1:2019被替代
Plastics- Polyketone(PK) moulding and extrusion materials- Part1: Designation system and basis for specifications (ISO21970-1:2018); German version ENISO21970-1:2018
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
EN ISO 21970-1 : 2018 - Identical
ISO 21970-1:2018 - Identical
EN ISO 21970-1 : 2018 - Identical
ISO 21970-1:2018 - Identical
ISO 21970-1 : 2019 - Identical
EN ISO 21970-1:2019 - Identical
ISO 21970-1 : 2019 - Identical
