DIN EN ISO 22526-3:2022 塑料 生物基塑料的碳足迹和环境足迹 第3部分:过程碳足迹、量化要求和指南(ISO 22526-3:2020);德文版 EN ISO 22526-3:2021
Plastics - Carbon and environmental footprint of biobased plastics - Part 3: Process carbon footprint, requirements and guidelines for quantification (ISO 22526-3:2020); German version EN ISO 22526-3:2021