DIN EN ISO 19069-1-2015 塑料.聚丙烯(PP)模塑和挤塑材料.第1部分:标示系统和规范基础(ISO 19069-1-2015);德文版本EN ISO 19069-1-2015
Plastics - Polypropylene (PP) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 19069-1:2015); German version EN ISO 19069-1:2015