
Plastics - Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion - Part 1: Designation system and basis for specification (ISO 20029-1:2017)
出版:Asociacion Espanola de Normalizacion

專家解讀視頻
ISO 20029-1 : 2017 - Identical
EN ISO 20029-1 : 2018 - Identical
EN ISO 20029-1 : 2018 - Identical