DIN EN ISO 21363 E:2021 納米技術 通過透射電子顯微鏡測量粒度和形狀分布 (ISO 21363:2020) 草案
Draft Document – Nanotechnologies – Measurements of particle size and shape distributions by transmission electron microscopy (ISO 21363:2020); German and English version prEN ISO 21363:2021